diff --git a/pkgs/servers/mastodon/source.nix b/pkgs/servers/mastodon/source.nix
index 966e7c9ea462..0d0656c3a39a 100644
--- a/pkgs/servers/mastodon/source.nix
+++ b/pkgs/servers/mastodon/source.nix
@@ -3,8 +3,8 @@
   src = fetchFromGitHub {
     owner = "mastodon";
     repo = "mastodon";
-    rev = "v4.1.4";
-    hash = "sha256-8ULBO8IdwBzC5dgX3netTHbbRrODX4CropWZWtqWHZw=";
+    rev = "v4.1.5";
+    hash = "sha256-1bWrKcw+EQyu7WBujR5sptiUOjbhJvIM76h9jcX24jw=";
   };
 in applyPatches {
   inherit src;
diff --git a/pkgs/servers/mastodon/update.sh b/pkgs/servers/mastodon/update.sh
index 4a7e6e178730..babc06204851 100755
--- a/pkgs/servers/mastodon/update.sh
+++ b/pkgs/servers/mastodon/update.sh
@@ -76,7 +76,7 @@ function cleanup {
 trap cleanup EXIT
 
 echo "Fetching source code $REVISION"
-JSON=$(nix-prefetch-github "$OWNER" "$REPO" --rev "$REVISION"  2> $WORK_DIR/nix-prefetch-git.out)
+JSON=$(nix-prefetch-github "$OWNER" "$REPO" --rev "$REVISION" 2> $WORK_DIR/nix-prefetch-git.out)
 HASH=$(echo "$JSON" | jq -r .hash)
 
 echo "Creating version.nix"
diff --git a/pkgs/servers/mastodon/version.nix b/pkgs/servers/mastodon/version.nix
index 6ee44f9ea9dd..6240cd822c75 100644
--- a/pkgs/servers/mastodon/version.nix
+++ b/pkgs/servers/mastodon/version.nix
@@ -1 +1 @@
-"4.1.4"
+"4.1.5"