diff --git a/Dockerfile b/Dockerfile
index 347320a6..2500ee2e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -73,7 +73,6 @@ COPY --from=compilation "$opam_switch/lib/gg" "$opam_switch/lib/gg"
 
 # Fixes for ocamlfind
 COPY --from=compilation "$opam_switch/lib/findlib.conf" "$opam_switch/lib/"
-COPY --from=compilation "$opam_switch/lib/stdlib" "$opam_switch/lib/stdlib"
 ENV PATH="${opam_switch}/bin:${PATH}"
 ENV OCAMLPATH="/usr/lib"
 RUN ln -sf "$opam_switch/lib/vg" "/usr/lib"
diff --git a/learn-ocaml-client.opam b/learn-ocaml-client.opam
index 35a7945e..889c0f0b 100644
--- a/learn-ocaml-client.opam
+++ b/learn-ocaml-client.opam
@@ -44,6 +44,7 @@ depends: [
   "ppx_sexp_conv"
   "ssl" {>= "0.5.12"}
   "vg"
+  "asak" {>= "0.5"}
 ]
 build: [
   ["dune" "build" "@install" "-p" name "-j" jobs]
@@ -53,3 +54,9 @@ description: """
 This contains the binaries to interact with the learn-ocaml
 platform from the command line.
 """
+pin-depends: [
+   [
+     "asak.0.5"
+     "git+https://github.com/AltGr/asak#ocaml5"
+   ]
+]
diff --git a/learn-ocaml-client.opam.locked b/learn-ocaml-client.opam.locked
index 7ce2b587..28b20250 100644
--- a/learn-ocaml-client.opam.locked
+++ b/learn-ocaml-client.opam.locked
@@ -22,6 +22,7 @@ homepage: "https://github.com/ocaml-sf/learn-ocaml"
 bug-reports: "https://github.com/ocaml-sf/learn-ocaml/issues"
 depends: [
   "angstrom" {= "0.15.0"}
+  "asak" {= "0.5"}
   "asn1-combinators" {= "0.2.6"}
   "astring" {= "0.8.5"}
   "base" {= "v0.16.3"}
@@ -143,6 +144,9 @@ depends: [
 build: ["dune" "build" "@install" "-p" name "-j" jobs]
 dev-repo: "git+https://github.com/ocaml-sf/learn-ocaml"
 pin-depends: [
+  ["asak.0.5" "git+https://github.com/AltGr/asak#ocaml5"]
+  [
   "ocp-indent-nlfork.1.5.5"
   "git+https://git@github.com/OCamlPro/ocp-indent.git#nlfork"
 ]
+]