diff --git a/.github/workflows/msrv.yml b/.github/workflows/msrv.yml
index f9bc26997..7951d4df4 100644
--- a/.github/workflows/msrv.yml
+++ b/.github/workflows/msrv.yml
@@ -17,7 +17,7 @@ jobs:
       working-directory: jaq-json
       run: cargo check
 
-    - uses: dtolnay/rust-toolchain@1.64
+    - uses: dtolnay/rust-toolchain@1.65
     - name: Check jaq
       working-directory: jaq
       run: cargo check
diff --git a/Cargo.lock b/Cargo.lock
index 2a86d2c5f..89520524f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -303,7 +303,7 @@ dependencies = [
  "jaq-json",
  "libm",
  "log",
- "regex",
+ "regex-lite",
  "serde_json",
  "urlencoding",
 ]
@@ -442,33 +442,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "regex"
-version = "1.9.4"
+name = "regex-lite"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12de2eff854e5fa4b1295edd650e227e9d8fb0c9e90b12e7f36d6a6811791a29"
-dependencies = [
- "aho-corasick",
- "memchr",
- "regex-automata",
- "regex-syntax",
-]
-
-[[package]]
-name = "regex-automata"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49530408a136e16e5b486e883fbb6ba058e8e4e8ae6621a77b048b314336e629"
-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"
+checksum = "53a49587ad06b26609c52e423de037e7f57f20d53535d66e08c695f347df952a"
 
 [[package]]
 name = "remove_dir_all"
diff --git a/jaq-std/Cargo.toml b/jaq-std/Cargo.toml
index 8fc08b397..b9c3f8425 100644
--- a/jaq-std/Cargo.toml
+++ b/jaq-std/Cargo.toml
@@ -8,10 +8,11 @@ readme = "../README.md"
 description = "Standard library for jaq"
 repository = "https://github.com/01mf02/jaq"
 keywords = ["json", "query", "jq"]
-rust-version = "1.63"
+rust-version = "1.65"
 
 [features]
 default = ["std", "format", "log", "math", "regex", "time"]
+regex = ["regex-lite"]
 std = []
 format = ["aho-corasick", "base64", "urlencoding"]
 math = ["libm"]
@@ -22,7 +23,7 @@ jaq-core = { version = "2.0.0-gamma", path = "../jaq-core" }
 
 hifijson = { version = "0.2.0", optional = true }
 chrono = { version = "0.4.38", default-features = false, features = ["alloc"], optional = true }
-regex = { version = "1.9", optional = true }
+regex-lite = { version = "0.1", optional = true }
 log = { version = "0.4.17", optional = true }
 libm = { version = "0.2.7", optional = true }
 aho-corasick = { version = "1.0", optional = true }
diff --git a/jaq-std/src/regex.rs b/jaq-std/src/regex.rs
index d57b85ac4..33783067a 100644
--- a/jaq-std/src/regex.rs
+++ b/jaq-std/src/regex.rs
@@ -2,7 +2,7 @@
 
 use alloc::string::{String, ToString};
 use alloc::vec::Vec;
-use regex::{Error, Regex, RegexBuilder};
+use regex_lite::{self as regex, Error, Regex, RegexBuilder};
 
 #[derive(Copy, Clone, Default)]
 pub struct Flags {
diff --git a/jaq/Cargo.toml b/jaq/Cargo.toml
index df97206e8..dc49979cb 100644
--- a/jaq/Cargo.toml
+++ b/jaq/Cargo.toml
@@ -9,7 +9,7 @@ description = "Just another JSON query tool"
 repository = "https://github.com/01mf02/jaq"
 keywords = ["json", "query", "jq"]
 categories = ["command-line-utilities", "compilers", "parser-implementations"]
-rust-version = "1.64"
+rust-version = "1.65"
 
 [features]
 default = ["mimalloc"]