diff --git a/pkgs/by-name/gu/guile-config/package.nix b/pkgs/by-name/gu/guile-config/package.nix
index 7881a5edf8813..1513f1612957c 100644
--- a/pkgs/by-name/gu/guile-config/package.nix
+++ b/pkgs/by-name/gu/guile-config/package.nix
@@ -19,8 +19,11 @@ stdenv.mkDerivation rec {
     hash = "sha256-n4ukGCyIx5G1ITfKSqS6FGJ6dnDBsyxXKSFNi81E4Gg=";
   };
 
+  strictDeps = true;
+
   nativeBuildInputs = [
     autoreconfHook
+    guile
     pkg-config
     texinfo
   ];
diff --git a/pkgs/by-name/gu/guile-hall/package.nix b/pkgs/by-name/gu/guile-hall/package.nix
index 4a7ae9bef5d6f..ba71e6e82e134 100644
--- a/pkgs/by-name/gu/guile-hall/package.nix
+++ b/pkgs/by-name/gu/guile-hall/package.nix
@@ -21,8 +21,11 @@ stdenv.mkDerivation rec {
     hash = "sha256-TUCN8kW44X6iGbSJURurcz/Tc2eCH1xgmXH1sMOMOXs=";
   };
 
+  strictDeps = true;
+
   nativeBuildInputs = [
     autoreconfHook
+    guile
     pkg-config
     texinfo
     makeWrapper