diff --git a/pkgs/applications/science/logic/hol_light/default.nix b/pkgs/applications/science/logic/hol_light/default.nix
index d799b52d115..69ffb87e767 100644
--- a/pkgs/applications/science/logic/hol_light/default.nix
+++ b/pkgs/applications/science/logic/hol_light/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, runtimeShell, fetchFromGitHub, ocaml, num, camlp5 }:
+{ stdenv, runtimeShell, fetchFromGitHub, fetchpatch, ocaml, num, camlp5 }:
 
 let
   load_num =
@@ -30,6 +30,11 @@ stdenv.mkDerivation {
     sha256 = "0sxsk8z08ba0q5aixdyczcx5l29lb51ba4ip3d2fry7y604kjsx6";
   };
 
+  patches = [(fetchpatch {
+    url = https://salsa.debian.org/ocaml-team/hol-light/-/raw/master/debian/patches/0004-Fix-compilation-with-camlp5-7.11.patch;
+    sha256 = "180qmxbrk3vb1ix7j77hcs8vsar91rs11s5mm8ir5352rz7ylicr";
+  })];
+
   buildInputs = [ ocaml camlp5 ];
   propagatedBuildInputs = [ num ];
 
diff --git a/pkgs/development/tools/ocaml/camlp5/default.nix b/pkgs/development/tools/ocaml/camlp5/default.nix
index c3fbb586349..e0bd0e4ac67 100644
--- a/pkgs/development/tools/ocaml/camlp5/default.nix
+++ b/pkgs/development/tools/ocaml/camlp5/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation {
 
-  name = "camlp5-7.10";
+  name = "camlp5-7.11";
 
   src = fetchzip {
-    url = "https://github.com/camlp5/camlp5/archive/rel710.tar.gz";
-    sha256 = "1a1lgsc8350afdwmsznsys7m0c0cks4nw6irqz2f92g8g4vkk9b7";
+    url = "https://github.com/camlp5/camlp5/archive/rel711.tar.gz";
+    sha256 = "1s1f9i0r0czxlbnsaz4kvs2ahknmqxcm5ypl75g7scjcbl0an2x4";
   };
 
   buildInputs = [ ocaml ];