diff --git a/launcher-package/citest/build.sbt b/launcher-package/citest/build.sbt
index 44abb013f..f623c52dc 100644
--- a/launcher-package/citest/build.sbt
+++ b/launcher-package/citest/build.sbt
@@ -3,7 +3,7 @@ lazy val check2 = taskKey[Unit]("")
 
 lazy val root = (project in file("."))
   .settings(
-    scalaVersion := "3.7.2",
+    scalaVersion := "3.7.3",
     name := "Hello",
     libraryDependencies += "com.eed3si9n.verify" %% "verify" % "1.0.0" % Test,
     testFrameworks += new TestFramework("verify.runner.Framework"),
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index c03216cb7..204ecfddb 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -4,7 +4,7 @@ import Keys.*
 object Dependencies {
   // WARNING: Please Scala update versions in PluginCross.scala too
   val scala213 = "2.13.16"
-  val scala3 = "3.7.2"
+  val scala3 = "3.7.3"
   val checkPluginCross = settingKey[Unit]("Make sure scalaVersion match up")
   val baseScalaVersion = scala3
   def nightlyVersion: Option[String] =
diff --git a/sbt-app/src/sbt-test/actions/input-task-dyn/build.sbt b/sbt-app/src/sbt-test/actions/input-task-dyn/build.sbt
index 8501a3ce8..aabc9ce44 100644
--- a/sbt-app/src/sbt-test/actions/input-task-dyn/build.sbt
+++ b/sbt-app/src/sbt-test/actions/input-task-dyn/build.sbt
@@ -5,7 +5,7 @@ import complete.Parser
 val runFoo = inputKey[Unit]("Runs Foo with passed arguments")
 val check = taskKey[Unit]("")
 
-scalaVersion := "3.7.2"
+scalaVersion := "3.7.3"
 
 lazy val root = (project in file(".")).
   settings(
diff --git a/sbt-app/src/sbt-test/cache/cached-compile/build.sbt b/sbt-app/src/sbt-test/cache/cached-compile/build.sbt
index 10d64e17c..4097d53bc 100644
--- a/sbt-app/src/sbt-test/cache/cached-compile/build.sbt
+++ b/sbt-app/src/sbt-test/cache/cached-compile/build.sbt
@@ -5,7 +5,7 @@ lazy val checkMiss = inputKey[Unit]("")
 
 Global / localCacheDirectory := baseDirectory.value / "diskcache"
 
-scalaVersion := "3.7.2"
+scalaVersion := "3.7.3"
 checkMiss := {
   val expected: Int = (Space ~> NatBasic).parsed
   val s = streams.value
diff --git a/sbt-app/src/sbt-test/cache/cached-test/build.sbt b/sbt-app/src/sbt-test/cache/cached-test/build.sbt
index 8e4984031..981eeef7a 100644
--- a/sbt-app/src/sbt-test/cache/cached-test/build.sbt
+++ b/sbt-app/src/sbt-test/cache/cached-test/build.sbt
@@ -5,7 +5,7 @@ lazy val verify = "com.eed3si9n.verify" %% "verify" % "1.0.0"
 
 Global / localCacheDirectory := baseDirectory.value / "diskcache"
 
-scalaVersion := "3.7.2"
+scalaVersion := "3.7.3"
 libraryDependencies += verify % Test
 testFrameworks += new TestFramework("verify.runner.Framework")
 
diff --git a/sbt-app/src/sbt-test/plugins/pgp/build.sbt b/sbt-app/src/sbt-test/plugins/pgp/build.sbt
index c73b99a66..cd34a40db 100644
--- a/sbt-app/src/sbt-test/plugins/pgp/build.sbt
+++ b/sbt-app/src/sbt-test/plugins/pgp/build.sbt
@@ -1 +1 @@
-scalaVersion := "3.7.2"
+scalaVersion := "3.7.3"
diff --git a/sbt-app/src/sbt-test/plugins/pgp/project/plugins.sbt b/sbt-app/src/sbt-test/plugins/pgp/project/plugins.sbt
index bb21230da..ef28616fc 100644
--- a/sbt-app/src/sbt-test/plugins/pgp/project/plugins.sbt
+++ b/sbt-app/src/sbt-test/plugins/pgp/project/plugins.sbt
@@ -1,2 +1,2 @@
 // addSbtPlugin("com.github.sbt" % "sbt-pgp" % "2.3.1")
-libraryDependencies += Defaults.sbtPluginExtra("com.github.sbt" % "sbt-pgp" % "2.3.1", "2", "3.7.2")
+libraryDependencies += Defaults.sbtPluginExtra("com.github.sbt" % "sbt-pgp" % "2.3.1", "2", "3.7.3")
diff --git a/sbt-app/src/sbt-test/plugins/plugin-cross/build.sbt b/sbt-app/src/sbt-test/plugins/plugin-cross/build.sbt
index 83c45033b..092a14570 100644
--- a/sbt-app/src/sbt-test/plugins/plugin-cross/build.sbt
+++ b/sbt-app/src/sbt-test/plugins/plugin-cross/build.sbt
@@ -19,4 +19,4 @@ lazy val plugin = (projectMatrix in file("plugin"))
         case _      => "2.0.0-RC3"
     },
   )
-  .jvmPlatform(scalaVersions = Seq("3.7.2", "2.12.20"))
+  .jvmPlatform(scalaVersions = Seq("3.7.3", "2.12.20"))
diff --git a/sbt-app/src/sbt-test/project/nested-macro/build.sbt b/sbt-app/src/sbt-test/project/nested-macro/build.sbt
index 8d663ea10..a74fe9efc 100644
--- a/sbt-app/src/sbt-test/project/nested-macro/build.sbt
+++ b/sbt-app/src/sbt-test/project/nested-macro/build.sbt
@@ -1,6 +1,6 @@
 lazy val a1 = settingKey[Boolean]("")
 
-scalaVersion := "3.7.2"
+scalaVersion := "3.7.3"
 a1 := true
 
 Compile / sourceGenerators += {
diff --git a/sbt-app/src/sbt-test/project/remove/build.sbt b/sbt-app/src/sbt-test/project/remove/build.sbt
index 91bf72f54..06ade12b2 100644
--- a/sbt-app/src/sbt-test/project/remove/build.sbt
+++ b/sbt-app/src/sbt-test/project/remove/build.sbt
@@ -11,7 +11,7 @@ lazy val intsSetting2 = Def.setting {
   Seq(1, 2, 3)
 }
 
-scalaVersion := "3.7.2"
+scalaVersion := "3.7.3"
 
 intsTask := Seq(1, 2, 3, 4, 5, 6, 7)
 intsTask -= 3
@@ -30,10 +30,10 @@ intsSetting -= intSetting2.value
 intsSetting --= intsSetting2.value
 
 intsFromScalaV := Seq(1, 2, 3, 4, 5, 6, 7)
-intsFromScalaV -= { if scalaVersion.value == "3.7.2" then 3 else 5 }
-intsFromScalaV --= { if scalaVersion.value == "3.7.2" then Seq(1, 2) else Seq(4) }
-intsFromScalaV -= { if scalaVersion.value == "3.7.2" then Option(6) else None }
-intsFromScalaV --= { if scalaVersion.value == "3.7.2" then Option(7) else None }
+intsFromScalaV -= { if scalaVersion.value == "3.7.3" then 3 else 5 }
+intsFromScalaV --= { if scalaVersion.value == "3.7.3" then Seq(1, 2) else Seq(4) }
+intsFromScalaV -= { if scalaVersion.value == "3.7.3" then Option(6) else None }
+intsFromScalaV --= { if scalaVersion.value == "3.7.3" then Option(7) else None }
 
 intsSetSetting := Set(1, 2, 3, 4, 5, 6, 7)
 intsSetSetting -= 3
diff --git a/sbt-app/src/sbt-test/tests/fork2/build.sbt b/sbt-app/src/sbt-test/tests/fork2/build.sbt
index 0fae8ec59..d9c596e82 100644
--- a/sbt-app/src/sbt-test/tests/fork2/build.sbt
+++ b/sbt-app/src/sbt-test/tests/fork2/build.sbt
@@ -1,5 +1,5 @@
 val scalatest = "org.scalatest" %% "scalatest" % "3.2.19"
 
-scalaVersion := "3.7.2"
+scalaVersion := "3.7.3"
 fork := true
 libraryDependencies += scalatest % Test
diff --git a/sbt-app/src/sbt-test/tests/incremental-object-deps/build.sbt b/sbt-app/src/sbt-test/tests/incremental-object-deps/build.sbt
index 097e2a1bd..8338afdf3 100644
--- a/sbt-app/src/sbt-test/tests/incremental-object-deps/build.sbt
+++ b/sbt-app/src/sbt-test/tests/incremental-object-deps/build.sbt
@@ -1,3 +1,3 @@
-scalaVersion := "3.7.2"
+scalaVersion := "3.7.3"
 libraryDependencies += "com.eed3si9n.verify" %% "verify" % "1.0.0" % Test
 testFrameworks += new TestFramework("verify.runner.Framework")
diff --git a/sbt-app/src/sbt-test/tests/t543/build.sbt b/sbt-app/src/sbt-test/tests/t543/build.sbt
index fe5f694ba..526570c26 100644
--- a/sbt-app/src/sbt-test/tests/t543/build.sbt
+++ b/sbt-app/src/sbt-test/tests/t543/build.sbt
@@ -6,7 +6,7 @@ val marker = new File("marker")
 val check = TaskKey[Unit]("check", "Check correct error has been returned.")
 val scalatest = "org.scalatest" %% "scalatest" % "3.2.19"
 
-ThisBuild / scalaVersion := "3.7.2"
+ThisBuild / scalaVersion := "3.7.3"
 
 lazy val root = (project in file(".")).
   settings(
diff --git a/server-test/src/server-test/client/build.sbt b/server-test/src/server-test/client/build.sbt
index 4f266d04f..60d98fc88 100644
--- a/server-test/src/server-test/client/build.sbt
+++ b/server-test/src/server-test/client/build.sbt
@@ -1,4 +1,4 @@
-scalaVersion := "3.7.2"
+scalaVersion := "3.7.3"
 
 TaskKey[Unit]("willSucceed") := println("success")