diff --git a/pkgs/by-name/ti/tilt/assets.nix b/pkgs/by-name/ti/tilt/assets.nix
index a1edf18d594d..11db3253d34f 100644
--- a/pkgs/by-name/ti/tilt/assets.nix
+++ b/pkgs/by-name/ti/tilt/assets.nix
@@ -53,7 +53,7 @@ stdenvNoCC.mkDerivation {
     dontInstall = true;
 
     outputHashAlgo = "sha256";
-    outputHash = "sha256-5f9lKRD6vc2FOnUeSxK/zlu/tshS1+RCSB0slGSO/Rc=";
+    outputHash = "sha256-1poTBB9cm0EHeIvXhan6/kaxr22LXvhHD4Y+JBocioE=";
     outputHashMode = "recursive";
   };
 
diff --git a/pkgs/by-name/ti/tilt/package.nix b/pkgs/by-name/ti/tilt/package.nix
index bb52c7e63301..42a493d4ebd5 100644
--- a/pkgs/by-name/ti/tilt/package.nix
+++ b/pkgs/by-name/ti/tilt/package.nix
@@ -5,13 +5,13 @@ let args = rec {
       /* Do not use "dev" as a version. If you do, Tilt will consider itself
         running in development environment and try to serve assets from the
         source tree, which is not there once build completes.  */
-      version = "0.33.17";
+      version = "0.33.21";
 
       src = fetchFromGitHub {
         owner = "tilt-dev";
         repo = "tilt";
         rev = "v${version}";
-        hash = "sha256-GzWnTq3X615A/jRjYhBriRYaH4tjv+yg2/zHIJuKXPE=";
+        hash = "sha256-3LFsTaz47QAIDGId/Tl3G7xP5b9gc25X+ZeMaVhXf8w=";
       };
     };