diff --git a/mautrix_telegram/__init__.py b/mautrix_telegram/__init__.py
index 60e61424..25d76224 100644
--- a/mautrix_telegram/__init__.py
+++ b/mautrix_telegram/__init__.py
@@ -1,2 +1,2 @@
-__version__ = "0.6.0+dev"
+__version__ = "0.6.0rc1"
 __author__ = "Tulir Asokan <tulir@maunium.net>"
diff --git a/setup.py b/setup.py
index 0c9573f7..df860716 100644
--- a/setup.py
+++ b/setup.py
@@ -3,8 +3,8 @@ import glob
 import mautrix_telegram
 
 extras = {
-    "fast_crypto": ["cryptg>=0.1,<0.2"],
-    "webp_convert": ["Pillow>=4.3.0,<6"],
+    "fast_crypto": ["cryptg>=0.1,<0.3"],
+    "webp_convert": ["Pillow>=4.3.0,<7"],
     "hq_thumbnails": ["moviepy>=1.0,<2.0"],
     "metrics": ["prometheus-client>=0.6.0,<0.7.0"],
 }