diff --git a/kiwixbuild/versions.py b/kiwixbuild/versions.py
index 2df9c58..bc7d947 100644
--- a/kiwixbuild/versions.py
+++ b/kiwixbuild/versions.py
@@ -3,7 +3,7 @@
 
 main_project_versions = {
     'libzim': '9.0.0',
-    'libkiwix': '12.1.1',
+    'libkiwix': '13.0.0',
     'kiwix-tools': '3.5.0',
     'zim-tools': '3.3.0',
     'kiwix-desktop': '2.3.1' # Also change KIWIX_DESKTOP_VERSION and KIWIX_DESKTOP_RELEASE in appveyor.yml
@@ -31,9 +31,9 @@ main_project_versions = {
 
 release_versions = {
     'libzim': None, # Depends of base deps (was None)
-    'libkiwix': None, # Depends of libzim (was 0)
+    'libkiwix': 0, # Depends of libzim (was 0)
     'kiwix-tools': None, # Depends of libkiwix and libzim (was 2)
-    'zim-tools': 0, # Depends of libzim (was None)
+    'zim-tools': None, # Depends of libzim (was None)
     'kiwix-desktop': None # Depends of libkiwix and libzim (was 4)
 }