diff --git a/mxsources.ini b/mxsources.ini
index 3e0892e0c2..40118b3ad1 100644
--- a/mxsources.ini
+++ b/mxsources.ini
@@ -84,7 +84,7 @@ branch = master
 [plone.api]
 url = ${settings:plone}/plone.api.git
 pushurl = ${settings:plone_push}/plone.api.git
-branch = master
+branch = main
 
 [plone.app.caching]
 url = ${settings:plone}/plone.app.caching.git
diff --git a/sources.cfg b/sources.cfg
index f4e355256b..70dea9695d 100644
--- a/sources.cfg
+++ b/sources.cfg
@@ -44,7 +44,7 @@ i18ndude                            = git ${remotes:collective}/i18ndude.git pus
 icalendar                           = git ${remotes:collective}/icalendar.git pushurl=${remotes:collective_push}/icalendar.git branch=main
 Plone                               = git ${remotes:plone}/Plone.git pushurl=${remotes:plone_push}/Plone.git branch=master
 plone.alterego                      = git ${remotes:plone}/plone.alterego.git pushurl=${remotes:plone_push}/plone.alterego.git branch=master
-plone.api                           = git ${remotes:plone}/plone.api.git pushurl=${remotes:plone_push}/plone.api.git branch=master
+plone.api                           = git ${remotes:plone}/plone.api.git pushurl=${remotes:plone_push}/plone.api.git branch=main
 plone.app.caching                   = git ${remotes:plone}/plone.app.caching.git pushurl=${remotes:plone_push}/plone.app.caching.git branch=master
 plone.app.content                   = git ${remotes:plone}/plone.app.content.git pushurl=${remotes:plone_push}/plone.app.content.git branch=master
 plone.app.contentlisting            = git ${remotes:plone}/plone.app.contentlisting.git pushurl=${remotes:plone_push}/plone.app.contentlisting.git branch=master