diff --git a/common/overlays/dracula-theme/xresources.nix b/common/overlays/dracula-theme/xresources.nix
index c78179b5..866cf5d4 100644
--- a/common/overlays/dracula-theme/xresources.nix
+++ b/common/overlays/dracula-theme/xresources.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
     owner = "dracula";
     repo = "xresources";
     rev = "539ef24e9b0c5498a82d59bfa2bad9b618d832a3";
-    sha256 = "sha256-6fltsAluqOqYIh2NX0I/LC3WCWkb9Fn8PH6LNLBQbrY=";
+    hash = "sha256-6fltsAluqOqYIh2NX0I/LC3WCWkb9Fn8PH6LNLBQbrY=";
   };
 
   installPhase = ''
diff --git a/common/pkgs/input-emulator/default.nix b/common/pkgs/input-emulator/default.nix
index 03737124..5d713831 100644
--- a/common/pkgs/input-emulator/default.nix
+++ b/common/pkgs/input-emulator/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     owner = "tio";
     repo = pname;
     rev = "6c35040e6fc4f65ce0519ee76d00d60490bcb987";
-    sha256 = "sha256-Im0RADqRwlZ/RiZFSVp+HwnWoLdcpRp0Ej6RP0GY0+c=";
+    hash = "sha256-Im0RADqRwlZ/RiZFSVp+HwnWoLdcpRp0Ej6RP0GY0+c=";
   };
 
   nativeBuildInputs = [
diff --git a/common/pkgs/pam-fprint-grosshack/default.nix b/common/pkgs/pam-fprint-grosshack/default.nix
index 7f590b94..21d4f2cf 100644
--- a/common/pkgs/pam-fprint-grosshack/default.nix
+++ b/common/pkgs/pam-fprint-grosshack/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
     owner = "mishakmak";
     repo = pname;
     rev = "45b42524fb5783e1e555067743d7e0f70d27888a";
-    sha256 = "sha256-obczZbf/oH4xGaVvp3y3ZyDdYhZnxlCWvL0irgEYIi0=";
+    hash = "sha256-obczZbf/oH4xGaVvp3y3ZyDdYhZnxlCWvL0irgEYIi0=";
   };
 
   nativeBuildInputs = [
diff --git a/updateSha.sh b/updateSha.sh
index 3155ee7d..98e4bd40 100755
--- a/updateSha.sh
+++ b/updateSha.sh
@@ -74,8 +74,13 @@ updateGSR() {
     (
         cd /tmp || return
 
-        git clone https://repo.dec05eba.com/gpu-screen-recorder
-        cd gpu-screen-recorder || return
+        if [[ ! -d "gpu-screen-recorder" ]]; then
+            git clone https://repo.dec05eba.com/gpu-screen-recorder
+            cd gpu-screen-recorder || return
+        else
+            cd gpu-screen-recorder || return
+            git pull
+        fi
 
         REV=$(printf "r%s.%s\n" "$(git rev-list --count HEAD)" "$(git rev-parse --short HEAD)")
         URL=https://dec05eba.com/snapshot/gpu-screen-recorder.git."$REV".tar.gz