diff --git a/pkgs/tools/misc/asciinema-agg/Cargo.lock b/pkgs/tools/misc/asciinema-agg/Cargo.lock
index f23b7500cc10..a1feb20f9a47 100644
--- a/pkgs/tools/misc/asciinema-agg/Cargo.lock
+++ b/pkgs/tools/misc/asciinema-agg/Cargo.lock
@@ -10,7 +10,7 @@ checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
 [[package]]
 name = "agg"
-version = "1.4.2"
+version = "1.4.3"
 dependencies = [
  "anyhow",
  "avt",
@@ -152,8 +152,8 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "avt"
-version = "0.6.0"
-source = "git+https://github.com/asciinema/avt.git?tag=v0.6.0#168627cf65999720a6fce122e3419da0147d9296"
+version = "0.8.0"
+source = "git+https://github.com/asciinema/avt.git?tag=v0.8.0#aaec6a11896551296d2f49078f432756e8a0529d"
 dependencies = [
  "rgb",
  "serde",
diff --git a/pkgs/tools/misc/asciinema-agg/default.nix b/pkgs/tools/misc/asciinema-agg/default.nix
index 923768504c75..516051e11920 100644
--- a/pkgs/tools/misc/asciinema-agg/default.nix
+++ b/pkgs/tools/misc/asciinema-agg/default.nix
@@ -2,19 +2,19 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "agg";
-  version = "1.4.2";
+  version = "1.4.3";
 
   src = fetchFromGitHub {
     owner = "asciinema";
     repo = "agg";
     rev = "v${version}";
-    sha256 = "sha256-pyXGWSL2HnRfcLo1V/pFKNI08B51ZvmJsYhl893CUl0=";
+    sha256 = "sha256-WCUYnveTWWQOzhIViMkSnyQ6vgLs5HDLWa/xvfZMh3A=";
   };
 
   cargoLock = {
     lockFile = ./Cargo.lock;
     outputHashes = {
-      "avt-0.6.0" = "sha256-JA1Ln90Pew6m5YOZp8weOC9JdKJqjFG0PDPNL2kDWUc=";
+      "avt-0.8.0" = "sha256-5IN8P/2UWJ2EmkbbTSGWECTqiD8TeOd8LgwLZ+W2z90=";
     };
   };