diff --git a/pkgs/by-name/li/libglycin-gtk4/package.nix b/pkgs/by-name/li/libglycin-gtk4/package.nix
index 74f5c269aed1..f5b46f1d68b3 100644
--- a/pkgs/by-name/li/libglycin-gtk4/package.nix
+++ b/pkgs/by-name/li/libglycin-gtk4/package.nix
@@ -91,6 +91,8 @@ stdenv.mkDerivation (finalAttrs: {
 
   env.CARGO_BUILD_TARGET = stdenv.hostPlatform.rust.rustcTargetSpec;
 
+  strictDeps = true;
+
   meta = {
     description = "C-Bindings to convert glycin frames to GDK Textures";
     homepage = "https://gitlab.gnome.org/GNOME/glycin";
diff --git a/pkgs/by-name/li/libglycin/package.nix b/pkgs/by-name/li/libglycin/package.nix
index 23c14d269da7..9ee9bb5df921 100644
--- a/pkgs/by-name/li/libglycin/package.nix
+++ b/pkgs/by-name/li/libglycin/package.nix
@@ -106,6 +106,8 @@ stdenv.mkDerivation (finalAttrs: {
 
   env.CARGO_BUILD_TARGET = stdenv.hostPlatform.rust.rustcTargetSpec;
 
+  strictDeps = true;
+
   passthru = {
     updateScript =
       let