diff --git a/gradle.properties b/gradle.properties
index 591fb925..f1cbe7d3 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -13,7 +13,7 @@ systemProp.org.gradle.internal.publish.checksums.insecure = true
 org.gradle.jvmargs                                        = -noverify
 
 # Version
-auto-dark-mode.version                                    = 1.8.2-2023.2
+auto-dark-mode.version                                    = 1.8.2-2023.1
 
 # Plugins
 com.github.vlsi.vlsi-release-plugins.version              = 1.70
@@ -25,7 +25,7 @@ org.ajoberstar.grgit.version                              = 4.1.0
 com.google.devtools.ksp.version                           = 1.9.21-1.0.15
 
 # These versions must always stay in sync with another.
-idea.version                                              = [232,233)
-ideaPlugin.version                                        = 2023.2
-ideaPlugin.since.version                                  = 232
-ideaPlugin.until.version                                  = 232.*
+idea.version                                              = [231,232)
+ideaPlugin.version                                        = 2023.1
+ideaPlugin.since.version                                  = 231
+ideaPlugin.until.version                                  = 231.*