diff --git a/pkgs/tools/system/ctop/default.nix b/pkgs/tools/system/ctop/default.nix
index 36dfd02c33f6..6091eff255d8 100644
--- a/pkgs/tools/system/ctop/default.nix
+++ b/pkgs/tools/system/ctop/default.nix
@@ -2,16 +2,16 @@
 
 buildGoModule rec {
   pname = "ctop";
-  version = "0.7.6";
+  version = "0.7.7";
 
   src = fetchFromGitHub {
     owner = "bcicen";
     repo = pname;
-    rev = version;
-    sha256 = "sha256-ceRyYrqmgdTnV8m9LkLlR6iTrC5F81X/V3fWI2CiKBw=";
+    rev = "v${version}";
+    sha256 = "sha256-tojSzgpoGQg6MwV/MVpQpCA5w6bZO+9IOvfkw0Ydr6c=";
   };
 
-  vendorSha256 = "sha256-UCeMy4iT0c2sTcCDPg0TIYCLYfrIUvHluUuGIpzluSg=";
+  vendorSha256 = "sha256-UAja7XuoLqJFNcK1PgHGcuf/HbvSrWyRvW2D3T7Hg0g=";
 
   doCheck = false;