diff --git a/cohttp-lwt-unix.opam b/cohttp-lwt-unix.opam
index 26b3a42dc..108b5336a 100644
--- a/cohttp-lwt-unix.opam
+++ b/cohttp-lwt-unix.opam
@@ -59,3 +59,11 @@ build: [
     "@doc" {with-doc}
   ]
 ]
+pin-depends: [
+  [ "conduit.dev"          "git+https://github.com/art-w/ocaml-conduit.git#f5facd875a563470866aad58281293b6eb4558e9" ]
+  [ "conduit-lwt.dev"      "git+https://github.com/art-w/ocaml-conduit.git#f5facd875a563470866aad58281293b6eb4558e9" ]
+  [ "conduit-lwt-unix.dev" "git+https://github.com/art-w/ocaml-conduit.git#f5facd875a563470866aad58281293b6eb4558e9" ]
+  [ "conduit-async.dev"    "git+https://github.com/art-w/ocaml-conduit.git#f5facd875a563470866aad58281293b6eb4558e9" ]
+  [ "conduit-mirage.dev"   "git+https://github.com/art-w/ocaml-conduit.git#f5facd875a563470866aad58281293b6eb4558e9" ]
+  [ "ca-certs.dev"         "git+https://github.com/art-w/ca-certs.git#95d1250bdce4225cb92c345ba5d8f180e237eb2b" ]
+]
diff --git a/cohttp-lwt-unix.opam.template b/cohttp-lwt-unix.opam.template
index 75ab83a7c..ce964e534 100644
--- a/cohttp-lwt-unix.opam.template
+++ b/cohttp-lwt-unix.opam.template
@@ -12,3 +12,11 @@ build: [
     "@doc" {with-doc}
   ]
 ]
+pin-depends: [
+  [ "conduit.dev"          "git+https://github.com/art-w/ocaml-conduit.git#f5facd875a563470866aad58281293b6eb4558e9" ]
+  [ "conduit-lwt.dev"      "git+https://github.com/art-w/ocaml-conduit.git#f5facd875a563470866aad58281293b6eb4558e9" ]
+  [ "conduit-lwt-unix.dev" "git+https://github.com/art-w/ocaml-conduit.git#f5facd875a563470866aad58281293b6eb4558e9" ]
+  [ "conduit-async.dev"    "git+https://github.com/art-w/ocaml-conduit.git#f5facd875a563470866aad58281293b6eb4558e9" ]
+  [ "conduit-mirage.dev"   "git+https://github.com/art-w/ocaml-conduit.git#f5facd875a563470866aad58281293b6eb4558e9" ]
+  [ "ca-certs.dev"         "git+https://github.com/art-w/ca-certs.git#95d1250bdce4225cb92c345ba5d8f180e237eb2b" ]
+]