diff --git a/pkgs/development/coq-modules/ceres/default.nix b/pkgs/development/coq-modules/ceres/default.nix
index 75d57936ff5f..78f76bd1b89f 100644
--- a/pkgs/development/coq-modules/ceres/default.nix
+++ b/pkgs/development/coq-modules/ceres/default.nix
@@ -7,9 +7,15 @@ mkCoqDerivation {
   owner = "Lysxia";
 
   inherit version;
-  defaultVersion = if lib.versions.range "8.8" "8.16" coq.version then "0.4.0" else null;
+  defaultVersion = with lib.versions; lib.switch coq.version [
+    { case = range "8.14" "8.17"; out = "0.4.1"; }
+    { case = range "8.8"  "8.16"; out = "0.4.0"; }
+  ] null;
+  release."0.4.1".sha256 = "sha256-9vyk8/8IVsqNyhw3WPzl8w3L9Wu7gfaMVa3n2nWjFiA=";
   release."0.4.0".sha256 = "sha256:0zwp3pn6fdj0qdig734zdczrls886al06mxqhhabms0jvvqijmbi";
 
+  useDuneifVersion = lib.versions.isGe "0.4.1";
+
   meta = with lib; {
     description = "Library for serialization to S-expressions";
     license = licenses.mit;
diff --git a/pkgs/development/coq-modules/parsec/default.nix b/pkgs/development/coq-modules/parsec/default.nix
index 8a30fbeb961a..a2c9ea3dedaa 100644
--- a/pkgs/development/coq-modules/parsec/default.nix
+++ b/pkgs/development/coq-modules/parsec/default.nix
@@ -11,9 +11,11 @@ mkCoqDerivation {
 
   inherit version;
   defaultVersion = with lib.versions; lib.switch coq.version [
+    { case = range "8.14" "8.17"; out = "0.1.2"; }
     { case = range "8.12" "8.16"; out = "0.1.1"; }
     { case = range "8.12" "8.13"; out = "0.1.0"; }
   ] null;
+  release."0.1.2".sha256 = "sha256-QN0h1CsX86DQBDsluXLtNUvMh3r60/0iDSbYam67AhA=";
   release."0.1.1".sha256 = "sha256:1c0l18s68pzd4c8i3jimh2yz0pqm4g38pca4bm7fr18r8xmqf189";
   release."0.1.0".sha256 = "sha256:01avfcqirz2b9wjzi9iywbhz9szybpnnj3672dgkfsimyg9jgnsr";