diff --git a/meson.build b/meson.build
index 500ef26c9..c77c51926 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('gnome-shell', 'c',
-  version: '40.alpha2',
+  version: '40.alpha.1',
   meson_version: '>= 0.53.0',
   license: 'GPLv2+'
 )
@@ -25,7 +25,7 @@ gio_req = '>= 2.56.0'
 gi_req = '>= 1.49.1'
 gjs_req = '>= 1.65.1'
 gtk_req = '>= 3.15.0'
-mutter_req = '>= 40.alpha2'
+mutter_req = '>= 40.alpha.1'
 polkit_req = '>= 0.100'
 schemas_req = '>= 3.33.1'
 startup_req = '>= 0.11'
diff --git a/subprojects/extensions-app/data/metainfo/org.gnome.Extensions.metainfo.xml.in b/subprojects/extensions-app/data/metainfo/org.gnome.Extensions.metainfo.xml.in
index 91b111af5..8d261b500 100644
--- a/subprojects/extensions-app/data/metainfo/org.gnome.Extensions.metainfo.xml.in
+++ b/subprojects/extensions-app/data/metainfo/org.gnome.Extensions.metainfo.xml.in
@@ -39,7 +39,7 @@
   </description>
 
   <releases>
-    <release version="40.alpha2" type="development" date="2020-12-22"/>
+    <release version="40.alpha.1" type="development" date="2020-12-22"/>
     <release version="40.alpha" type="development" date="2020-12-02">
       <description>
         <p>It is now possible to search the list of installed extensions.</p>
diff --git a/subprojects/extensions-app/meson.build b/subprojects/extensions-app/meson.build
index bc26a5d20..19eba7ecf 100644
--- a/subprojects/extensions-app/meson.build
+++ b/subprojects/extensions-app/meson.build
@@ -1,5 +1,5 @@
 project('gnome-extensions-app',
-  version: '40.alpha2',
+  version: '40.alpha.1',
   meson_version: '>= 0.53.0',
   license: 'GPLv2+'
 )
diff --git a/subprojects/extensions-tool/meson.build b/subprojects/extensions-tool/meson.build
index 38a1ec863..5460f626d 100644
--- a/subprojects/extensions-tool/meson.build
+++ b/subprojects/extensions-tool/meson.build
@@ -1,5 +1,5 @@
 project('gnome-extensions-tool', 'c',
-  version: '40.alpha2',
+  version: '40.alpha.1',
   meson_version: '>= 0.53.0',
   license: 'GPLv2+'
 )
diff --git a/subprojects/shew/meson.build b/subprojects/shew/meson.build
index d8fb092c7..3accbe67a 100644
--- a/subprojects/shew/meson.build
+++ b/subprojects/shew/meson.build
@@ -1,5 +1,5 @@
 project('shew', 'c',
-  version: '40.alpha2',
+  version: '40.alpha.1',
   meson_version: '>= 0.53.0',
   license: 'LGPLv2+',
 )