diff --git a/pkgs/by-name/si/signal-desktop/package.nix b/pkgs/by-name/si/signal-desktop/package.nix
index 2ea01cd99c15..84e31366592f 100644
--- a/pkgs/by-name/si/signal-desktop/package.nix
+++ b/pkgs/by-name/si/signal-desktop/package.nix
@@ -84,6 +84,7 @@ let
       hash = "sha256-TuPyRVNFIlR0A4YHMpQsQ6m+lm2fsp79FzQ1P5qqjIc=";
     };
 
+    strictDeps = true;
     nativeBuildInputs = [
       nodejs
       pnpm.configHook
@@ -106,6 +107,7 @@ stdenv.mkDerivation (finalAttrs: {
   pname = "signal-desktop";
   inherit src version;
 
+  strictDeps = true;
   nativeBuildInputs = [
     nodejs
     pnpm.configHook
diff --git a/pkgs/by-name/si/signal-desktop/signal-sqlcipher.nix b/pkgs/by-name/si/signal-desktop/signal-sqlcipher.nix
index ea394394a43d..225876e18e7c 100644
--- a/pkgs/by-name/si/signal-desktop/signal-sqlcipher.nix
+++ b/pkgs/by-name/si/signal-desktop/signal-sqlcipher.nix
@@ -32,6 +32,7 @@ stdenv.mkDerivation (finalAttrs: {
     hash = "sha256-qT4HM/FRL8qugKKNlMYM/0zgUsC6cDOa9fgd1d4VIrc=";
   };
 
+  strictDeps = true;
   nativeBuildInputs = [
     nodejs
     pnpm.configHook