diff --git a/.gitmodules b/.gitmodules
index 32d24ff43d2a..d922c875223a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -190,3 +190,6 @@
 [submodule "community-build/community-projects/cask"]
 	path = community-build/community-projects/cask
 	url = https://github.com/dotty-staging/cask.git
+[submodule "community-build/community-projects/play-json"]
+	path = community-build/community-projects/play-json
+	url = https://github.com/dotty-staging/play-json.git
diff --git a/community-build/community-projects/play-json b/community-build/community-projects/play-json
new file mode 160000
index 000000000000..b82b64d014a0
--- /dev/null
+++ b/community-build/community-projects/play-json
@@ -0,0 +1 @@
+Subproject commit b82b64d014a02583e1cee77ec85eef49bfba2bd4
diff --git a/community-build/src/scala/dotty/communitybuild/projects.scala b/community-build/src/scala/dotty/communitybuild/projects.scala
index 755f774449fe..ca1764ce21b7 100644
--- a/community-build/src/scala/dotty/communitybuild/projects.scala
+++ b/community-build/src/scala/dotty/communitybuild/projects.scala
@@ -654,6 +654,13 @@ object projects:
     dependencies = List(scalatest)
   )
 
+  lazy val playJson = SbtCommunityProject(
+    project = "play-json",
+    sbtTestCommand = "test",
+    sbtPublishCommand = "publishLocal",
+    dependencies = List(scalatest, scalatestplusScalacheck),
+  )
+
 end projects
 
 def allProjects = List(
@@ -724,6 +731,7 @@ def allProjects = List(
   projects.akka,
   projects.protoquill,
   projects.onnxScala,
+  projects.playJson,
 )
 
 lazy val projectMap = allProjects.groupBy(_.project)
diff --git a/community-build/test/scala/dotty/communitybuild/CommunityBuildTest.scala b/community-build/test/scala/dotty/communitybuild/CommunityBuildTest.scala
index 8b169385ddf1..eb16e2466bc8 100644
--- a/community-build/test/scala/dotty/communitybuild/CommunityBuildTest.scala
+++ b/community-build/test/scala/dotty/communitybuild/CommunityBuildTest.scala
@@ -144,6 +144,7 @@ class CommunityBuildTestC extends CommunityBuildTest:
   @Test def onnxScala = projects.onnxScala.run()
   @Test def oslib = projects.oslib.run()
   // @Test def oslibWatch = projects.oslibWatch.run()
+  @Test def playJson = projects.playJson.run()
   @Test def pprint = projects.pprint.run()
   @Test def protoquill = projects.protoquill.run()
   @Test def requests = projects.requests.run()