diff --git a/plugins/dependencies/src/main/kotlin/de/fayard/refreshVersions/RefreshVersionsExtension.kt b/plugins/dependencies/src/main/kotlin/de/fayard/refreshVersions/RefreshVersionsExtension.kt
index b6d3e884a..f09862466 100644
--- a/plugins/dependencies/src/main/kotlin/de/fayard/refreshVersions/RefreshVersionsExtension.kt
+++ b/plugins/dependencies/src/main/kotlin/de/fayard/refreshVersions/RefreshVersionsExtension.kt
@@ -27,6 +27,10 @@ open class RefreshVersionsExtension {
         extraArtifactVersionKeyRules = extraArtifactVersionKeyRules + rawRules
     }
 
+    fun extraVersionRules(vararg rules: PrefixRule) {
+        extraArtifactVersionKeyRules(rules.joinToString("\n\n") { it.toRawRules() })
+    }
+
     fun featureFlags(extension: Action<FeatureFlagExtension>) {
         extension.execute(FeatureFlagExtension())
     }
@@ -51,3 +55,14 @@ open class FeatureFlagExtension {
         FeatureFlag.userSettings[flag] = false
     }
 }
+
+data class PrefixRule(
+    val versionName: String,
+    val mavenGroup: String,
+    val prefix: String? = null
+) {
+    fun toRawRules(): String {
+        println("TODO: refreshVersions.extraVersionRules(PrefixRule(...)) not implemented. See https://github.com/jmfayard/refreshVersions/issues/580")
+        return ""
+    }
+}
diff --git a/sample-kotlin/settings.gradle.kts b/sample-kotlin/settings.gradle.kts
index d35d6dbc9..a34bbd635 100644
--- a/sample-kotlin/settings.gradle.kts
+++ b/sample-kotlin/settings.gradle.kts
@@ -1,3 +1,4 @@
+import de.fayard.refreshVersions.PrefixRule
 import de.fayard.refreshVersions.core.FeatureFlag.*
 import de.fayard.refreshVersions.core.StabilityLevel
 
@@ -30,6 +31,12 @@ refreshVersions {
 
     extraArtifactVersionKeyRules(file("refreshVersions-extra-rules.txt"))
 
+
+    extraVersionRules(
+        PrefixRule("koin", "io.insert-koin", "koin"),
+        PrefixRule("ktor", "io.ktor", null),
+    )
+
     // ignore dependencies among a blacklist of version keys
     rejectVersionIf {
         val blacklist = listOf("version.retrofit", "version.okhttp3")
diff --git a/sample-kotlin/versions.properties b/sample-kotlin/versions.properties
index bb4b18e92..a4c4984ec 100644
--- a/sample-kotlin/versions.properties
+++ b/sample-kotlin/versions.properties
@@ -1,6 +1,6 @@
 #### Dependencies and Plugin versions with their available updates.
 #### Generated by `./gradlew refreshVersions` version 0.41.0-SNAPSHOT
-#### Revision of dependency notations removals: 11
+#### Revision of dependency notations removals: 14
 ####
 #### Don't manually edit or split the comments that start with four hashtags (####),
 #### they will be overwritten by refreshVersions.