diff --git a/CHANGELOG.md b/CHANGELOG.md
index c96be0ccbe..5d78a8d8ca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,7 @@ You may also find the [Upgrade Guide](https://rust-random.github.io/book/update.
 - Fix portability of `rand::distributions::Slice` (#1469)
 - Rename `rand::distributions` to `rand::distr` (#1470)
 - The `serde1` feature has been renamed `serde` (#1477)
+- The implicit feature `rand_chacha` has been removed. This is enabled by `std_rng`. (#1473)
 - Mark `WeightError`, `PoissonError`, `BinomialError` as `#[non_exhaustive]` (#1480).
 - Add `p()` for `Bernoulli` to access probability (#1481)
 - Add `UniformUsize` and use to make `Uniform` for `usize` portable (#1487)
diff --git a/Cargo.lock.msrv b/Cargo.lock.msrv
index bf15ecb24d..36b9ea50d0 100644
--- a/Cargo.lock.msrv
+++ b/Cargo.lock.msrv
@@ -2,15 +2,6 @@
 # It is not intended for manual editing.
 version = 3
 
-[[package]]
-name = "aho-corasick"
-version = "1.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
-dependencies = [
- "memchr",
-]
-
 [[package]]
 name = "android-tzdata"
 version = "0.1.1"
@@ -26,18 +17,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "anes"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b46cbb362ab8752921c97e041f5e366ee6297bd428a31275b9fcf1e380f7299"
-
-[[package]]
-name = "anstyle"
-version = "1.0.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8901269c6307e8d93993578286ac0edf7f195079ffff5ebdeea6a59ffb7e36bc"
-
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -61,18 +40,6 @@ version = "0.21.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
 
-[[package]]
-name = "benches"
-version = "0.1.0"
-dependencies = [
- "criterion",
- "criterion-cycles-per-byte",
- "rand",
- "rand_chacha",
- "rand_distr",
- "rand_pcg",
-]
-
 [[package]]
 name = "bincode"
 version = "1.3.3"
@@ -88,12 +55,6 @@ version = "3.15.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7ff69b9dd49fd426c69a0db9fc04dd934cdb6645ff000864d98f7e2af8830eaa"
 
-[[package]]
-name = "cast"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"
-
 [[package]]
 name = "cc"
 version = "1.0.90"
@@ -119,109 +80,12 @@ dependencies = [
  "windows-targets",
 ]
 
-[[package]]
-name = "ciborium"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42e69ffd6f0917f5c029256a24d0161db17cea3997d185db0d35926308770f0e"
-dependencies = [
- "ciborium-io",
- "ciborium-ll",
- "serde",
-]
-
-[[package]]
-name = "ciborium-io"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05afea1e0a06c9be33d539b876f1ce3692f4afea2cb41f740e7743225ed1c757"
-
-[[package]]
-name = "ciborium-ll"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57663b653d948a338bfb3eeba9bb2fd5fcfaecb9e199e87e1eda4d9e8b240fd9"
-dependencies = [
- "ciborium-io",
- "half",
-]
-
-[[package]]
-name = "clap"
-version = "4.5.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90bc066a67923782aa8515dbaea16946c5bcc5addbd668bb80af688e53e548a0"
-dependencies = [
- "clap_builder",
-]
-
-[[package]]
-name = "clap_builder"
-version = "4.5.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae129e2e766ae0ec03484e609954119f123cc1fe650337e155d03b022f24f7b4"
-dependencies = [
- "anstyle",
- "clap_lex",
-]
-
-[[package]]
-name = "clap_lex"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "98cc8fbded0c607b7ba9dd60cd98df59af97e84d24e49c8557331cfc26d301ce"
-
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06ea2b9bc92be3c2baa9334a323ebca2d6f074ff852cd1d7b11064035cd3868f"
 
-[[package]]
-name = "criterion"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2b12d017a929603d80db1831cd3a24082f8137ce19c69e6447f54f5fc8d692f"
-dependencies = [
- "anes",
- "cast",
- "ciborium",
- "clap",
- "criterion-plot",
- "is-terminal",
- "itertools",
- "num-traits",
- "once_cell",
- "oorandom",
- "plotters",
- "rayon",
- "regex",
- "serde",
- "serde_derive",
- "serde_json",
- "tinytemplate",
- "walkdir",
-]
-
-[[package]]
-name = "criterion-cycles-per-byte"
-version = "0.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5281161544b8f2397e14942c2045efa3446470348121a65c37263f8e76c1e2ff"
-dependencies = [
- "criterion",
-]
-
-[[package]]
-name = "criterion-plot"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b50826342786a51a89e2da3a28f1c32b06e387201bc2d19791f622c673706b1"
-dependencies = [
- "cast",
- "itertools",
-]
-
 [[package]]
 name = "crossbeam-channel"
 version = "0.5.12"
@@ -256,12 +120,6 @@ version = "0.8.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "248e3bacc7dc6baa3b21e405ee045c3047101a49145e7e9eca583ab4c2ca5345"
 
-[[package]]
-name = "crunchy"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
-
 [[package]]
 name = "darling"
 version = "0.20.8"
@@ -323,10 +181,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "11157ac094ffbdde99aa67b23417ebdd801842852b500e395a45a9c0aac03e4a"
 
 [[package]]
-name = "equivalent"
-version = "1.0.1"
+name = "fast_polynomial"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+checksum = "62eea6ee590b08a5f8b1139f4d6caee195b646d0c07e4b1808fbd5c4dea4829a"
+dependencies = [
+ "num-traits",
+]
 
 [[package]]
 name = "float-ord"
@@ -351,27 +212,12 @@ dependencies = [
  "wasi",
 ]
 
-[[package]]
-name = "half"
-version = "2.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02b4af3693f1b705df946e9fe5631932443781d0aabb423b62fcd4d73f6d2fd0"
-dependencies = [
- "crunchy",
-]
-
 [[package]]
 name = "hashbrown"
 version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
-[[package]]
-name = "hashbrown"
-version = "0.14.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
-
 [[package]]
 name = "hermit-abi"
 version = "0.3.9"
@@ -420,41 +266,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
- "hashbrown 0.12.3",
+ "hashbrown",
  "serde",
 ]
 
-[[package]]
-name = "indexmap"
-version = "2.2.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b0b929d511467233429c45a44ac1dcaa21ba0f5ba11e4879e6ed28ddb4f9df4"
-dependencies = [
- "equivalent",
- "hashbrown 0.14.3",
- "serde",
-]
-
-[[package]]
-name = "is-terminal"
-version = "0.4.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f23ff5ef2b80d608d61efee834934d862cd92461afc0560dedf493e4c033738b"
-dependencies = [
- "hermit-abi",
- "libc",
- "windows-sys",
-]
-
-[[package]]
-name = "itertools"
-version = "0.10.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
-dependencies = [
- "either",
-]
-
 [[package]]
 name = "itoa"
 version = "1.0.10"
@@ -470,6 +285,16 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "lambert_w"
+version = "0.5.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd8852c2190439a46c77861aca230080cc9db4064be7f9de8ee81816d6c72c25"
+dependencies = [
+ "fast_polynomial",
+ "libm",
+]
+
 [[package]]
 name = "libc"
 version = "0.2.153"
@@ -488,12 +313,6 @@ version = "0.4.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90ed8c1e510134f979dbc4f070f87d4313098b704861a105fe34231c70a3901c"
 
-[[package]]
-name = "memchr"
-version = "2.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "523dc4f511e55ab87b694dc30d0f820d60906ef06413f93d4d7a1385599cc149"
-
 [[package]]
 name = "num-conv"
 version = "0.1.0"
@@ -526,40 +345,6 @@ version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
-[[package]]
-name = "oorandom"
-version = "11.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ab1bc2a289d34bd04a330323ac98a1b4bc82c9d9fcb1e66b63caa84da26b575"
-
-[[package]]
-name = "plotters"
-version = "0.3.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2c224ba00d7cadd4d5c660deaf2098e5e80e07846537c51f9cfa4be50c1fd45"
-dependencies = [
- "num-traits",
- "plotters-backend",
- "plotters-svg",
- "wasm-bindgen",
- "web-sys",
-]
-
-[[package]]
-name = "plotters-backend"
-version = "0.3.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e76628b4d3a7581389a35d5b6e2139607ad7c75b17aed325f210aa91f4a9609"
-
-[[package]]
-name = "plotters-svg"
-version = "0.3.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38f6d39893cca0701371e3c27294f09797214b86f1fb951b89ade8ec04e2abab"
-dependencies = [
- "plotters-backend",
-]
-
 [[package]]
 name = "powerfmt"
 version = "0.2.0"
@@ -667,50 +452,12 @@ dependencies = [
  "num_cpus",
 ]
 
-[[package]]
-name = "regex"
-version = "1.9.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ebee201405406dbf528b8b672104ae6d6d63e6d118cb10e4d51abbc7b58044ff"
-dependencies = [
- "aho-corasick",
- "memchr",
- "regex-automata",
- "regex-syntax",
-]
-
-[[package]]
-name = "regex-automata"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59b23e92ee4318893fa3fe3e6fb365258efbfe6ac6ab30f090cdcbb7aa37efa9"
-dependencies = [
- "aho-corasick",
- "memchr",
- "regex-syntax",
-]
-
-[[package]]
-name = "regex-syntax"
-version = "0.7.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dbb5fb1acd8a1a18b3dd5be62d25485eb770e05afb408a9627d14d451bae12da"
-
 [[package]]
 name = "ryu"
 version = "1.0.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e86697c916019a8588c99b5fac3cead74ec0b4b819707a682fd4d23fa0ce1ba1"
 
-[[package]]
-name = "same-file"
-version = "1.0.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
-dependencies = [
- "winapi-util",
-]
-
 [[package]]
 name = "serde"
 version = "1.0.197"
@@ -744,17 +491,15 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.7.0"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee80b0e361bbf88fd2f6e242ccd19cfda072cb0faa6ae694ecee08199938569a"
+checksum = "9f02d8aa6e3c385bf084924f660ce2a3a6bd333ba55b35e8590b321f35d88513"
 dependencies = [
  "base64",
  "chrono",
  "hex",
- "indexmap 1.9.3",
- "indexmap 2.2.5",
+ "indexmap",
  "serde",
- "serde_derive",
  "serde_json",
  "serde_with_macros",
  "time",
@@ -762,9 +507,9 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.7.0"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6561dc161a9224638a31d876ccdfefbc1df91d3f3a8342eddb35f055d48c7655"
+checksum = "edc7d5d3932fb12ce722ee5e64dd38c504efba37567f0c402f6ca728c3b8b070"
 dependencies = [
  "darling",
  "proc-macro2",
@@ -774,10 +519,11 @@ dependencies = [
 
 [[package]]
 name = "special"
-version = "0.10.3"
+version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b89cf0d71ae639fdd8097350bfac415a41aabf1d5ddd356295fdc95f09760382"
+checksum = "98d279079c3ddec4e7851337070c1055a18b8f606bba0b1aeb054bc059fc2e27"
 dependencies = [
+ "lambert_w",
  "libm",
 ]
 
@@ -829,32 +575,12 @@ dependencies = [
  "time-core",
 ]
 
-[[package]]
-name = "tinytemplate"
-version = "1.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4d6b5f19ff7664e8c98d03e2139cb510db9b0a60b55f8e8709b689d939b6bc"
-dependencies = [
- "serde",
- "serde_json",
-]
-
 [[package]]
 name = "unicode-ident"
 version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
 
-[[package]]
-name = "walkdir"
-version = "2.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29790946404f91d9c5d06f9874efddea1dc06c5efe94541a7d6863108e3a5e4b"
-dependencies = [
- "same-file",
- "winapi-util",
-]
-
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
@@ -915,47 +641,6 @@ version = "0.2.92"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "af190c94f2773fdb3729c55b007a722abb5384da03bc0986df4c289bf5567e96"
 
-[[package]]
-name = "web-sys"
-version = "0.3.69"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77afa9a11836342370f4817622a2f0f418b134426d91a82dfb48f532d2ec13ef"
-dependencies = [
- "js-sys",
- "wasm-bindgen",
-]
-
-[[package]]
-name = "winapi"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
-dependencies = [
- "winapi-i686-pc-windows-gnu",
- "winapi-x86_64-pc-windows-gnu",
-]
-
-[[package]]
-name = "winapi-i686-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-
-[[package]]
-name = "winapi-util"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f29e6f9198ba0d26b4c9f07dbe6f9ed633e1f3d5b8b414090084349e46a52596"
-dependencies = [
- "winapi",
-]
-
-[[package]]
-name = "winapi-x86_64-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-
 [[package]]
 name = "windows-core"
 version = "0.52.0"
@@ -965,15 +650,6 @@ dependencies = [
  "windows-targets",
 ]
 
-[[package]]
-name = "windows-sys"
-version = "0.52.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
-dependencies = [
- "windows-targets",
-]
-
 [[package]]
 name = "windows-targets"
 version = "0.52.4"
@@ -1033,18 +709,18 @@ checksum = "32b752e52a2da0ddfbdbcc6fceadfeede4c939ed16d13e648833a61dfb611ed8"
 
 [[package]]
 name = "zerocopy"
-version = "0.8.0-alpha.6"
+version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db678a6ee512bd06adf35c35be471cae2f9c82a5aed2b5d15e03628c98bddd57"
+checksum = "a65238aacd5fb83fb03fcaf94823e71643e937000ec03c46e7da94234b10c870"
 dependencies = [
  "zerocopy-derive",
 ]
 
 [[package]]
 name = "zerocopy-derive"
-version = "0.8.0-alpha.6"
+version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "201585ea96d37ee69f2ac769925ca57160cef31acb137c16f38b02b76f4c1e62"
+checksum = "3ca22c4ad176b37bd81a565f66635bde3d654fe6832730c3e52e1018ae1655ee"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 2e860f7ffe..1f2eccdc63 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -46,7 +46,7 @@ getrandom = ["rand_core/getrandom"]
 simd_support = ["zerocopy/simd-nightly"]
 
 # Option (enabled by default): enable StdRng
-std_rng = ["rand_chacha"]
+std_rng = ["dep:rand_chacha"]
 
 # Option: enable SmallRng
 small_rng = []
@@ -56,6 +56,9 @@ small_rng = []
 # Note: enabling this option is expected to affect reproducibility of results.
 unbiased = []
 
+# Option: enable logging
+log = ["dep:log"]
+
 [workspace]
 members = [
     "rand_core",
diff --git a/rand_core/Cargo.toml b/rand_core/Cargo.toml
index 5d7ec72c4c..13d2b56a47 100644
--- a/rand_core/Cargo.toml
+++ b/rand_core/Cargo.toml
@@ -27,6 +27,7 @@ all-features = true
 [features]
 std = ["alloc", "getrandom?/std"]
 alloc = []  # enables Vec and Box support without std
+getrandom = ["dep:getrandom"]
 serde = ["dep:serde"] # enables serde for BlockRng wrapper
 
 [dependencies]
diff --git a/rand_distr/Cargo.toml b/rand_distr/Cargo.toml
index c3a717a846..efcfed67ba 100644
--- a/rand_distr/Cargo.toml
+++ b/rand_distr/Cargo.toml
@@ -29,13 +29,13 @@ alloc = ["rand/alloc"]
 # feature (default-enabled) will have the same effect.
 std_math = ["num-traits/std"]
 
-serde = ["dep:serde", "rand/serde"]
+serde = ["dep:serde", "dep:serde_with", "rand/serde"]
 
 [dependencies]
 rand = { path = "..", version = "=0.9.0-alpha.1", default-features = false }
 num-traits = { version = "0.2", default-features = false, features = ["libm"] }
 serde = { version = "1.0.103", features = ["derive"], optional = true }
-serde_with = { version = "3.6.1", optional = true }
+serde_with = { version = ">= 3.0, <= 3.11", optional = true }
 
 [dev-dependencies]
 rand_pcg = { version = "=0.9.0-alpha.1", path = "../rand_pcg" }
@@ -44,4 +44,4 @@ rand = { path = "..", version = "=0.9.0-alpha.1", features = ["small_rng"] }
 # Histogram implementation for testing uniformity
 average = { version = "0.15", features = [ "std" ] }
 # Special functions for testing distributions
-special = "0.10.3"
+special = "0.11.0"
diff --git a/rand_distr/src/dirichlet.rs b/rand_distr/src/dirichlet.rs
index 8ef5c31e84..ac17fa2e29 100644
--- a/rand_distr/src/dirichlet.rs
+++ b/rand_distr/src/dirichlet.rs
@@ -14,13 +14,13 @@ use crate::{Beta, Distribution, Exp1, Gamma, Open01, StandardNormal};
 use core::fmt;
 use num_traits::{Float, NumCast};
 use rand::Rng;
-#[cfg(feature = "serde_with")]
+#[cfg(feature = "serde")]
 use serde_with::serde_as;
 
 use alloc::{boxed::Box, vec, vec::Vec};
 
 #[derive(Clone, Debug, PartialEq)]
-#[cfg_attr(feature = "serde_with", serde_as)]
+#[cfg_attr(feature = "serde", serde_as)]
 struct DirichletFromGamma<F, const N: usize>
 where
     F: Float,
@@ -171,7 +171,7 @@ where
 }
 
 #[derive(Clone, Debug, PartialEq)]
-#[cfg_attr(feature = "serde_with", serde_as)]
+#[cfg_attr(feature = "serde", serde_as)]
 enum DirichletRepr<F, const N: usize>
 where
     F: Float,
@@ -214,7 +214,7 @@ where
 /// let samples = dirichlet.sample(&mut rand::rng());
 /// println!("{:?} is from a Dirichlet([1.0, 2.0, 3.0]) distribution", samples);
 /// ```
-#[cfg_attr(feature = "serde_with", serde_as)]
+#[cfg_attr(feature = "serde", serde_as)]
 #[derive(Clone, Debug, PartialEq)]
 pub struct Dirichlet<F, const N: usize>
 where