diff --git a/flake.nix b/flake.nix
index d70af49..f278248 100644
--- a/flake.nix
+++ b/flake.nix
@@ -48,7 +48,10 @@
       defaultConfig = {
         allowUnfree = true;
         extraOptions = "experimental-features = nix-command flakes";
-        permittedInsecurePackages = [ "electron-9.4.4" ]; # authy dependency
+        permittedInsecurePackages = [
+          "electron-9.4.4" # authy dependency
+          "qtwebkit-5.212.0-alpha4" # mendeley dependency
+        ];
       };
 
       overlaysBuilder = { system }: [
diff --git a/odin/hm.nix b/odin/hm.nix
index 26c37ad..99f5f1a 100644
--- a/odin/hm.nix
+++ b/odin/hm.nix
@@ -53,6 +53,7 @@
       krita
       lutris
       meld
+      mendeley
       # minecraft
       # mycrypto
       nix-prefetch-scripts
@@ -79,7 +80,7 @@
       unstable.obsidian
       unstable.tdesktop
       unstable.thunderbird
-      unstable.zotero
+      # unstable.zotero
       virt-manager
       virt-viewer
       # wineFull
diff --git a/thor/hm.nix b/thor/hm.nix
index ea3b062..2e6d24b 100644
--- a/thor/hm.nix
+++ b/thor/hm.nix
@@ -44,6 +44,7 @@
       krita
       lutris
       meld
+      mendeley
       # minecraft
       mycrypto
       nix-prefetch-scripts
@@ -72,7 +73,7 @@
       unstable.obsidian
       unstable.spotify
       unstable.thunderbird
-      unstable.zotero
+      # unstable.zotero
       virt-manager
       virt-viewer
       # wineFull