diff --git a/pkgs/development/coq-modules/compcert/default.nix b/pkgs/development/coq-modules/compcert/default.nix
index 3b94a8087d3f..253b710048d4 100644
--- a/pkgs/development/coq-modules/compcert/default.nix
+++ b/pkgs/development/coq-modules/compcert/default.nix
@@ -16,12 +16,13 @@ let compcert = mkCoqDerivation rec {
 
   defaultVersion =  with versions; switch coq.version [
       { case = range "8.8" "8.11"; out = "3.8"; }
-      { case = range "8.12" "8.13"; out = "3.9"; }
+      { case = range "8.12" "8.14"; out = "3.10"; }
     ] null;
 
   release = {
     "3.8".sha256 = "1gzlyxvw64ca12qql3wnq3bidcx9ygsklv9grjma3ib4hvg7vnr7";
     "3.9".sha256 = "1srcz2dqrvmbvv5cl66r34zqkm0hsbryk7gd3i9xx4slahc9zvdb";
+    "3.10".sha256 = "sha256:19rmx8r8v46101ij5myfrz60arqjy7q3ra3fb8mxqqi3c8c4l4j6";
   };
 
   nativeBuildInputs = [ makeWrapper ];
diff --git a/pkgs/top-level/coq-packages.nix b/pkgs/top-level/coq-packages.nix
index 16ecd67de2d9..60d6265309bb 100644
--- a/pkgs/top-level/coq-packages.nix
+++ b/pkgs/top-level/coq-packages.nix
@@ -24,7 +24,6 @@ let
       Cheerios = callPackage ../development/coq-modules/Cheerios {};
       CoLoR = callPackage ../development/coq-modules/CoLoR {};
       compcert = callPackage ../development/coq-modules/compcert {
-        ocamlPackages = ocamlPackages_4_05;
         inherit fetchpatch makeWrapper coq2html lib stdenv;
       };
       coq-bits = callPackage ../development/coq-modules/coq-bits {};
@@ -96,7 +95,9 @@ let
       topology = callPackage ../development/coq-modules/topology {};
       Velisarios = callPackage ../development/coq-modules/Velisarios {};
       Verdi = callPackage ../development/coq-modules/Verdi {};
-      VST = callPackage ../development/coq-modules/VST {};
+      VST = callPackage ../development/coq-modules/VST {
+        compcert = self.compcert.override { version = "3.9"; };
+      };
       zorns-lemma = callPackage ../development/coq-modules/zorns-lemma {};
       filterPackages = doesFilter: if doesFilter then filterCoqPackages self else self;
     };