diff --git a/.github/workflows/publish-npm.yml b/.github/workflows/publish-npm.yml
index 967147b..87f5ace 100644
--- a/.github/workflows/publish-npm.yml
+++ b/.github/workflows/publish-npm.yml
@@ -61,6 +61,11 @@ jobs:
           - 5.1.x
     runs-on: ${{ matrix.os }}
     steps:
+      - name: Setup OpenSSL (macOS)
+        if: matrix.os == 'macOS-latest'
+        run: |
+          brew install openssl
+
       - name: Checkout code
         uses: actions/checkout@v4
 
diff --git a/dune-project b/dune-project
index 2d60daa..55b8872 100644
--- a/dune-project
+++ b/dune-project
@@ -24,7 +24,6 @@
   base64
   cdp
   cmdliner
-  conf-openssl
   piaf
   httpun-eio
   httpun-ws-eio
diff --git a/osnap.opam b/osnap.opam
index d953bc0..15e2cd9 100644
--- a/osnap.opam
+++ b/osnap.opam
@@ -14,7 +14,6 @@ depends: [
   "base64"
   "cdp"
   "cmdliner"
-  "conf-openssl"
   "piaf"
   "httpun-eio"
   "httpun-ws-eio"