diff --git a/pkgs/tools/misc/powerline-go/default.nix b/pkgs/tools/misc/powerline-go/default.nix
index 2f6ff216dc87..eff23b55df9d 100644
--- a/pkgs/tools/misc/powerline-go/default.nix
+++ b/pkgs/tools/misc/powerline-go/default.nix
@@ -5,13 +5,13 @@
 
 buildGoModule rec {
   pname = "powerline-go";
-  version = "1.21.0";
+  version = "2021-07-15";
 
   src = fetchFromGitHub {
     owner = "justjanne";
     repo = pname;
-    rev = "v${version}";
-    sha256 = "sha256-IO3I5lvPdN73EF+S5Xo+TMEYaBtd1pOGMs+aQtRnHjE=";
+    rev = "f27435b26b5001c52ffb1aee454572c59494c81b";
+    sha256 = "sha256-YB/WMprjXA5ZN6baT5nWahNj0xwbP8kzS7X/1tCwWiE=";
   };
 
   vendorSha256 = "sha256-HYF6aKz+P241EKmupEoretadlrh9FBRx6nIER66jofg=";