1 files changed, 6 insertions, 4 deletions
diff --git a/pkgs/development/coq-modules/reglang/default.nix b/pkgs/development/coq-modules/reglang/default.nix
index 2fc26cbfef8..fd5a37c677e 100644
--- a/pkgs/development/coq-modules/reglang/default.nix
+++ b/pkgs/development/coq-modules/reglang/default.nix
@@ -1,20 +1,22 @@
-{ lib, mkCoqDerivation, coq, ssreflect, version ? null }:
+{ lib, mkCoqDerivation, coq, mathcomp, version ? null }:
 
 mkCoqDerivation {
   pname = "reglang";
 
   releaseRev = v: "v${v}";
 
+  release."1.2.0".sha256 = "sha256-gSqQ7D2HLwM4oYopTWkMFYfYXxsH/7VxI3AyrLwNf3o=";
   release."1.1.3".sha256 = "sha256-kaselYm8K0JBsTlcI6K24m8qpv8CZ9+VNDJrOtFaExg=";
   release."1.1.2".sha256 = "sha256-SEnMilLNxh6a3oiDNGLaBr8quQ/nO2T9Fwdf/1il2Yk=";
 
   inherit version;
-  defaultVersion = with lib.versions; lib.switch coq.coq-version [
-    { case = range "8.10" "8.18"; out = "1.1.3"; }
+  defaultVersion = with lib.versions; lib.switch [ coq.coq-version mathcomp.version ] [
+    { cases = [ (range "8.16" "8.18") (isGe "2.0.0") ]; out = "1.2.0"; }
+    { cases = [ (range "8.10" "8.18") (isLt "2.0.0") ]; out = "1.1.3"; }
   ] null;
 
 
-  propagatedBuildInputs = [ ssreflect ];
+  propagatedBuildInputs = [ mathcomp.ssreflect ];
 
   meta = with lib; {
     description = "Regular Language Representations in Coq";