diff --git a/pkgs/development/tools/build-managers/rebar3/default.nix b/pkgs/development/tools/build-managers/rebar3/default.nix
index 6d64c82f90f..ad4cbeda0f8 100644
--- a/pkgs/development/tools/build-managers/rebar3/default.nix
+++ b/pkgs/development/tools/build-managers/rebar3/default.nix
@@ -3,7 +3,7 @@
   tree, hexRegistrySnapshot }:
 
 let
-  version = "3.9.0";
+  version = "3.9.1";
 
   bootstrapper = ./rebar3-nix-bootstrap;
 
@@ -75,7 +75,7 @@ stdenv.mkDerivation {
 
   src = fetchurl {
     url = "https://github.com/rebar/rebar3/archive/${version}.tar.gz";
-    sha256 = "14prx5bkyy9sisnp5rj2058xpylq80xygsj1hq8b7m0awvj3r9wy";
+    sha256 = "1n6287av29ws3bvjxxmw8s2j8avwich4ccisnnrnypfbm1khlcxp";
   };
 
   inherit bootstrapper;