diff --git a/kiwixbuild/versions.py b/kiwixbuild/versions.py
index 53a2040..25cca87 100644
--- a/kiwixbuild/versions.py
+++ b/kiwixbuild/versions.py
@@ -5,7 +5,7 @@ main_project_versions = {
     'kiwix-tools': '2.0.0',
     'libzim': '5.0.0',
     'zim-tools': '1.0.2',
-    'zimwriterfs': '1.3.2',
+    'zimwriterfs': '1.3.3',
     'kiwix-desktop': '2.0-beta5' # Also need to be change in appveyor/package_kiwix-desktop.sh
 }
 
@@ -24,12 +24,12 @@ main_project_versions = {
 #    - Else, increment the value. If no value was present, see `(was ...)`.
 
 release_versions = {
-    'libzim': 0, # Depends of base deps (was 0)
-    'kiwix-lib': 0, # Depends of libzim (was 0)
-    'kiwix-tools': 0, # Depends of kiwix-lib and libzim (was 0)
-    'zim-tools': 0, # Depends of libzim (was 0)
+    'libzim': None, # Depends of base deps (was 0)
+    'kiwix-lib': None, # Depends of libzim (was 0)
+    'kiwix-tools': None, # Depends of kiwix-lib and libzim (was 0)
+    'zim-tools': None, # Depends of libzim (was 0)
     'zimwriterfs': 0, # Depends of libzim (was 0)
-    'kiwix-desktop': 0 # Depends of kiwix-lib and libzim (was 1)
+    'kiwix-desktop': 0 # Depends of kiwix-lib and libzim (was 0)
 }