diff --git a/pkgs/by-name/as/asciinema-agg/package.nix b/pkgs/by-name/as/asciinema-agg/package.nix
index 863a84436d2c..c2fca0f13240 100644
--- a/pkgs/by-name/as/asciinema-agg/package.nix
+++ b/pkgs/by-name/as/asciinema-agg/package.nix
@@ -1,5 +1,6 @@
 {
   lib,
+  stdenv,
   rustPlatform,
   fetchFromGitHub,
   versionCheckHook,
@@ -7,24 +8,28 @@
 
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "agg";
-  version = "1.7.0";
+  version = "1.8.1";
 
   src = fetchFromGitHub {
     owner = "asciinema";
     repo = "agg";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-6UenPE6mmmvliaIuGdQj/FrlmoJvmBJgfo0hW+uRaxM=";
+    hash = "sha256-64VyCTGjzey6AHEAfk5V/Qoffe5+sDaDNve54M7tmf4=";
   };
 
   strictDeps = true;
 
-  cargoHash = "sha256-VpbjvrMhzS1zrcMNWBjTLda6o3ea2cwpnEDUouwyp8w=";
+  cargoHash = "sha256-/WS5nAFKnP/CsU5+Pf5rtNN4LWaXVjlidLzH7DWYds0=";
+
+  __impureHostDeps = lib.optionals stdenv.hostPlatform.isDarwin [
+    "/System/Library/Fonts"
+  ];
 
   doInstallCheck = true;
   nativeInstallCheckInputs = [ versionCheckHook ];
 
   meta = {
-    description = "Command-line tool for generating animated GIF files from asciicast v2 files produced by asciinema terminal recorder";
+    description = "Command-line tool for generating animated GIF files from asciicast files produced by asciinema terminal recorder";
     homepage = "https://github.com/asciinema/agg";
     changelog = "https://github.com/asciinema/agg/releases/tag/${finalAttrs.src.tag}";
     license = lib.licenses.asl20;