diff --git a/client/pyproject.toml b/client/pyproject.toml
index c3a2046d..a61df2e3 100644
--- a/client/pyproject.toml
+++ b/client/pyproject.toml
@@ -27,7 +27,7 @@ dependencies = [
 dynamic = ["version"]
 
 [project.optional-dependencies]
-cryptg = ["cryptg~=0.4"]
+cryptg = ["cryptg~=0.5"]
 dev = [
   "mypy~=1.11.2",
   "ruff~=0.6.8",
diff --git a/client/src/telethon/_impl/crypto/aes.py b/client/src/telethon/_impl/crypto/aes.py
index da6ea356..1eace6f9 100644
--- a/client/src/telethon/_impl/crypto/aes.py
+++ b/client/src/telethon/_impl/crypto/aes.py
@@ -1,5 +1,5 @@
 try:
-    import cryptg  # type: ignore [import-untyped]
+    import cryptg
 
     def ige_encrypt(
         plaintext: bytes | bytearray | memoryview, key: bytes, iv: bytes