diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index b3db34305a..ecd6e93c1d 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -35,7 +35,6 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v3
 
-
       - name: Use OCaml ${{ matrix.ocaml-compiler }}
         uses: ocaml/setup-ocaml@v2
         with:
@@ -48,12 +47,6 @@ jobs:
       - run: yarn --frozen-lockfile
         working-directory: cohttp-lwt-jsoo/test
 
-      - run: |
-          sudo apt update
-          sudo apt upgrade
-          opam depext conf-libcurl
-        if: ${{ matrix.os == 'ubuntu-latest' }}
-
       - run: echo "PKG_CONFIG_PATH=$(brew --prefix openssl)/lib/pkgconfig" >>"$GITHUB_ENV"
         if: ${{ matrix.os == 'macos-latest' }}
 
diff --git a/.ocamlformat b/.ocamlformat
index 9788f92251..66c6dc7917 100644
--- a/.ocamlformat
+++ b/.ocamlformat
@@ -1,3 +1,4 @@
+version = 0.21.0
 profile = conventional
 break-infix = fit-or-vertical
-parse-docstrings = true
+parse-docstrings = true
\ No newline at end of file
diff --git a/dune-project b/dune-project
index 6d159935ae..483b12939f 100644
--- a/dune-project
+++ b/dune-project
@@ -115,26 +115,18 @@ should also be fine under Windows too.
 (package
  (name cohttp-server-lwt-unix)
  (synopsis "Lightweight Cohttp + Lwt based HTTP server")
- (description
-  "This server implementation is faster than cohttp-lwt-unix and is independent of\nconduit.\n")
+ (description "\
+This server implementation is faster than cohttp-lwt-unix and is independent of
+conduit.
+")
  (depends
-  (ocaml
-   (>= 4.08))
-  (http
-   (= :version))
-  (cohttp
-   (= :version))
-  (cohttp-lwt
-   (= :version))
+  (ocaml (>= 4.08))
+  (http (= :version))
+  (cohttp (= :version))
+  (cohttp-lwt (= :version))
   (conduit-lwt-unix :with-test)
-  (cohttp-lwt-unix
-   (and
-    :with-test
-    (= :version)))
-  (cohttp-lwt
-   (and
-    :with-test
-    (= :version)))
+  (cohttp-lwt-unix (and :with-test (= :version)))
+  (cohttp-lwt (and :with-test (= :version)))
   lwt))
 
 (package
@@ -252,7 +244,7 @@ should also be fine under Windows too.
     :with-test
     (>= v0.13.0)))
   (core_bench :with-test)
-  (crowbar :with-test)
+  (crowbar (and :with-test (>= 0.2)))
   (sexplib0 :with-test)))
 
 (package
@@ -260,31 +252,25 @@ should also be fine under Windows too.
  (synopsis "Shared code between the individual cohttp-curl clients")
  (description "Use cohttp-curl-lwt or cohttp-curl-async")
  (depends
-  (ocaml
-   (>= 4.08))
+  (ocaml (>= 4.08))
   ocurl
-  (http
-   (= :version))
+  (http (= :version))
   stringext))
 
 (package
  (name cohttp-curl-lwt)
  (synopsis "Cohttp client using Curl & Lwt as the backend")
- (description
-  "An HTTP client that relies on Curl + Lwt for the backend. Does not require\nconduit for SSL.")
+ (description "\
+An HTTP client that relies on Curl + Lwt for the backend. Does not require
+conduit for SSL.")
  (depends
-  (ocaml
-   (>= 4.08))
+  (ocaml (>= 4.08))
   ocurl
-  (http
-   (= :version))
+  (http (= :version))
   cohttp-curl
   stringext
   lwt
-  (uri
-   (and
-    :with-test
-    (>= 4.2.0)))
+  (uri (and :with-test (>= 4.2.0)))
   (alcotest :with-test)
   (cohttp-lwt-unix :with-test)
   (cohttp :with-test)
@@ -295,22 +281,19 @@ should also be fine under Windows too.
 (package
  (name cohttp-curl-async)
  (synopsis "Cohttp client using Curl & Async as the backend")
- (description
-  "An HTTP client that relies on Curl + Async for the backend. Does not require\nconduit for SSL.")
+ (description "\
+An HTTP client that relies on Curl + Async for the backend. Does not require
+conduit for SSL.")
  (depends
   ocurl
-  (http
-   (= :version))
+  (http (= :version))
   stringext
   core
   (core_unix (>= v0.14.0))
   async_kernel
   async_unix
   (cohttp-async :with-test)
-  (uri
-   (and
-    :with-test
-    (>= 4.2.0)))
+  (uri (and :with-test (>= 4.2.0)))
   (fmt :with-test)
   (ounit :with-test)
   (alcotest :with-test)))
@@ -324,16 +307,11 @@ should also be fine under Windows too.
   (core
    (>= v0.13.0))
   core_bench
-  (http
-   (= :version))
-  (cohttp
-   (= :version))
-  (cohttp-lwt-unix
-   (= :version))
-  (cohttp-server-lwt-unix
-   (= :version))
-  (cohttp-async
-   (= :version))))
+(http (= :version))
+  (cohttp (= :version))
+  (cohttp-lwt-unix (= :version))
+  (cohttp-server-lwt-unix (= :version))
+  (cohttp-async (= :version))))
 
 (package
  (name cohttp-eio)
@@ -350,4 +328,4 @@ should also be fine under Windows too.
   (eio_main :with-test)
   (conf-nmap :with-test)
   (http
-   (= :version))))
+   (= :version))))
\ No newline at end of file
diff --git a/http.opam b/http.opam
index 68df2b521b..db65b155ed 100644
--- a/http.opam
+++ b/http.opam
@@ -31,7 +31,7 @@ depends: [
   "ppx_here" {with-test}
   "core" {with-test & >= "v0.13.0"}
   "core_bench" {with-test}
-  "crowbar" {with-test}
+  "crowbar" {with-test & >= "0.2"}
   "sexplib0" {with-test}
   "odoc" {with-doc}
 ]
diff --git a/test_helpers/cohttp_test/src/cohttp_test.ml b/test_helpers/cohttp_test/src/cohttp_test.ml
index 50b80e3953..7ff002bda2 100644
--- a/test_helpers/cohttp_test/src/cohttp_test.ml
+++ b/test_helpers/cohttp_test/src/cohttp_test.ml
@@ -27,9 +27,7 @@ module type S = sig
   val run_async_tests : OUnit.test io -> OUnit.test_results io
 end
 
-let port =
-  Random.self_init ();
-  ref (1024 + Random.int 40000)
+let port = Random.self_init (); ref (1024 + Random.int 40000)
 
 let next_port () =
   let current_port = !port in