diff --git a/config/spring-security-config.gradle b/config/spring-security-config.gradle
index d7bcabdf66..192feaac2d 100644
--- a/config/spring-security-config.gradle
+++ b/config/spring-security-config.gradle
@@ -101,8 +101,10 @@ rncToXsd {
 
 tasks.withType(KotlinCompile).configureEach {
 	kotlinOptions {
+		apiVersion = "1.4"
+		freeCompilerArgs = ["-Xjsr305=strict", "-Xsuppress-version-warnings"]
 		jvmTarget = "1.8"
-		freeCompilerArgs = ["-Xjsr305=strict"]
+		languageVersion = "1.4"
 	}
 }
 
diff --git a/dependencies/spring-security-dependencies.gradle b/dependencies/spring-security-dependencies.gradle
index 216985ac13..fc5cbb5e29 100644
--- a/dependencies/spring-security-dependencies.gradle
+++ b/dependencies/spring-security-dependencies.gradle
@@ -12,7 +12,7 @@ dependencies {
 	api platform("io.rsocket:rsocket-bom:1.1.0")
 	api platform("org.springframework.data:spring-data-bom:2021.0.1")
 	api platform("org.jetbrains.kotlin:kotlin-bom:$kotlinVersion")
-	api platform("org.jetbrains.kotlinx:kotlinx-coroutines-bom:1.4.3")
+	api platform("org.jetbrains.kotlinx:kotlinx-coroutines-bom:1.5.0")
 	api platform("com.fasterxml.jackson:jackson-bom:2.12.3")
 	constraints {
 		api "ch.qos.logback:logback-classic:1.2.3"
diff --git a/gradle.properties b/gradle.properties
index f6fde8ec16..a2ab64da46 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,7 +3,7 @@ springJavaformatVersion=0.0.28
 springBootVersion=2.4.2
 openSamlVersion=3.4.6
 version=5.5.0-SNAPSHOT
-kotlinVersion=1.4.32
+kotlinVersion=1.5.0
 org.gradle.jvmargs=-Xmx3g -XX:MaxPermSize=2048m -XX:+HeapDumpOnOutOfMemoryError
 org.gradle.parallel=true
 org.gradle.caching=true