1 files changed, 3 insertions, 3 deletions
diff --git a/nixpkgs/pkgs/applications/networking/gns3/default.nix b/nixpkgs/pkgs/applications/networking/gns3/default.nix
index a3b2bbe90c19..ef4009b0e96c 100644
--- a/nixpkgs/pkgs/applications/networking/gns3/default.nix
+++ b/nixpkgs/pkgs/applications/networking/gns3/default.nix
@@ -2,7 +2,7 @@
 
 let
   stableVersion = "2.1.21";
-  previewVersion = "2.2.0b3";
+  previewVersion = "2.2.0b4";
   addVersion = args:
     let version = if args.stable then stableVersion else previewVersion;
         branch = if args.stable then "stable" else "preview";
@@ -18,7 +18,7 @@ in {
   };
   guiPreview = mkGui {
     stable = false;
-    sha256Hash = "1bzy95zqinwrrga7qj6gvpzvz34w4ddhvgmpgq3p1lwzixpqg1w7";
+    sha256Hash = "03jlg4ncs69gv1dn1zsdm0ipvlg6r0lwf8myxric6vv4ks7qqd3w";
   };
 
   serverStable = mkServer {
@@ -27,6 +27,6 @@ in {
   };
   serverPreview = mkServer {
     stable = false;
-    sha256Hash = "1bq4ww6qhhl0qw6yj7cf7yg54yb4y8mxlnwss6hgbyfv5fz9rxjp";
+    sha256Hash = "0mzn62649hmmqq8z2vphqvi0w38jwq8ps4zzbl1dqygbf4gadnqa";
   };
 }