diff --git a/etc/config/kotlin.amazon.properties b/etc/config/kotlin.amazon.properties
index 2d51c927b..a8980fa69 100644
--- a/etc/config/kotlin.amazon.properties
+++ b/etc/config/kotlin.amazon.properties
@@ -3,7 +3,7 @@ compilerType=kotlin
 versionFlag=-version
 objdumper=/opt/compiler-explorer/jdk-23.0.1/bin/javap
 instructionSet=java
-defaultCompiler=kotlinc2210
+defaultCompiler=kotlinc2220
 demangler=
 postProcess=
 options=
@@ -12,7 +12,7 @@ needsMulti=false
 supportsExecute=true
 interpreted=true
 
-group.kotlin.compilers=kotlinc1400:kotlinc1410:kotlinc1420:kotlinc1421:kotlinc1430:kotlinc1431:kotlinc1432:kotlinc1500:kotlinc1510:kotlinc1520:kotlinc1521:kotlinc1530:kotlinc1531:kotlinc1600:kotlinc1610:kotlinc1620:kotlinc1700:kotlinc1800:kotlinc1810:kotlinc1820:kotlinc1900:kotlinc1910:kotlinc1920:kotlinc2000:kotlinc2010:kotlinc2020:kotlinc2021:kotlinc2100:kotlinc2110:kotlinc2120:kotlinc2121:kotlinc2200:kotlinc2210
+group.kotlin.compilers=kotlinc1400:kotlinc1410:kotlinc1420:kotlinc1421:kotlinc1430:kotlinc1431:kotlinc1432:kotlinc1500:kotlinc1510:kotlinc1520:kotlinc1521:kotlinc1530:kotlinc1531:kotlinc1600:kotlinc1610:kotlinc1620:kotlinc1700:kotlinc1800:kotlinc1810:kotlinc1820:kotlinc1900:kotlinc1910:kotlinc1920:kotlinc2000:kotlinc2010:kotlinc2020:kotlinc2021:kotlinc2100:kotlinc2110:kotlinc2120:kotlinc2121:kotlinc2200:kotlinc2210:kotlinc2220
 group.kotlin.groupName=Kotlin
 group.kotlin.baseName=kotlinc
 group.kotlin.isSemVer=true
@@ -151,6 +151,10 @@ compiler.kotlinc2210.exe=/opt/compiler-explorer/kotlin-jvm-2.2.10/bin/kotlinc-jv
 compiler.kotlinc2210.semver=2.2.10
 compiler.kotlinc2210.java_home=/opt/compiler-explorer/jdk-23.0.1
 compiler.kotlinc2210.runtime=/opt/compiler-explorer/jdk-23.0.1/bin/java
+compiler.kotlinc2220.exe=/opt/compiler-explorer/kotlin-jvm-2.2.20/bin/kotlinc-jvm
+compiler.kotlinc2220.semver=2.2.20
+compiler.kotlinc2220.java_home=/opt/compiler-explorer/jdk-23.0.1
+compiler.kotlinc2220.runtime=/opt/compiler-explorer/jdk-23.0.1/bin/java
 
 libs=kotlinx-coroutines-core-jvm