diff --git a/pkgs/by-name/po/polarity/Cargo.lock b/pkgs/by-name/po/polarity/Cargo.lock
index 43879de673ac..1061dc760357 100644
--- a/pkgs/by-name/po/polarity/Cargo.lock
+++ b/pkgs/by-name/po/polarity/Cargo.lock
@@ -355,6 +355,14 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
 
+[[package]]
+name = "backend"
+version = "0.1.0"
+dependencies = [
+ "ast",
+ "url",
+]
+
 [[package]]
 name = "backtrace"
 version = "0.3.74"
@@ -752,6 +760,7 @@ name = "docs"
 version = "0.1.0"
 dependencies = [
  "askama",
+ "askama_escape",
  "ast",
  "driver",
  "opener",
diff --git a/pkgs/by-name/po/polarity/package.nix b/pkgs/by-name/po/polarity/package.nix
index 99a5b49de1a6..282b4e85e5f6 100644
--- a/pkgs/by-name/po/polarity/package.nix
+++ b/pkgs/by-name/po/polarity/package.nix
@@ -7,13 +7,13 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "polarity";
-  version = "latest-unstable-2024-12-09";
+  version = "latest-unstable-2024-12-20";
 
   src = fetchFromGitHub {
     owner = "polarity-lang";
     repo = "polarity";
-    rev = "4ac254214e0b8b1cc0a4782ecac751bc41e514a9";
-    hash = "sha256-vuC40ez45KrB+F4La2SG9XRAhFCaFJQnlRc4kY4Ky0o=";
+    rev = "e679bff1d40b2d145fdc5206c74e59321a70efd2";
+    hash = "sha256-KiwK9rBYfOtsEiUF+e62L/j1Yc4KloRLXbXZ+5axiEM=";
   };
 
   cargoLock = {