diff --git a/server/src/main/java/org/elasticsearch/cluster/version/CompatibilityVersions.java b/server/src/main/java/org/elasticsearch/cluster/version/CompatibilityVersions.java
index 9463b9db08e3f..5e7692e645d6a 100644
--- a/server/src/main/java/org/elasticsearch/cluster/version/CompatibilityVersions.java
+++ b/server/src/main/java/org/elasticsearch/cluster/version/CompatibilityVersions.java
@@ -9,6 +9,7 @@
 package org.elasticsearch.cluster.version;
 
 import org.elasticsearch.TransportVersion;
+import org.elasticsearch.TransportVersions;
 import org.elasticsearch.common.io.stream.StreamInput;
 import org.elasticsearch.common.io.stream.StreamOutput;
 import org.elasticsearch.common.io.stream.Writeable;
@@ -44,7 +45,7 @@ public static CompatibilityVersions minimumVersions(Map<String, CompatibilityVer
                 .map(CompatibilityVersions::transportVersion)
                 .min(Comparator.naturalOrder())
                 // In practice transportVersions is always nonempty (except in tests) but use a conservative default anyway:
-                .orElse(TransportVersion.MINIMUM_COMPATIBLE)
+                .orElse(TransportVersions.MINIMUM_COMPATIBLE)
         );
     }
 
diff --git a/server/src/test/java/org/elasticsearch/cluster/version/CompatibilityVersionsTests.java b/server/src/test/java/org/elasticsearch/cluster/version/CompatibilityVersionsTests.java
index 9d3726c1935d5..0391cbf83608c 100644
--- a/server/src/test/java/org/elasticsearch/cluster/version/CompatibilityVersionsTests.java
+++ b/server/src/test/java/org/elasticsearch/cluster/version/CompatibilityVersionsTests.java
@@ -9,6 +9,7 @@
 package org.elasticsearch.cluster.version;
 
 import org.elasticsearch.TransportVersion;
+import org.elasticsearch.TransportVersions;
 import org.elasticsearch.test.ESTestCase;
 import org.elasticsearch.test.TransportVersionUtils;
 
@@ -21,10 +22,10 @@ public class CompatibilityVersionsTests extends ESTestCase {
     public void testMinimumVersions() {
         assertThat(
             CompatibilityVersions.minimumVersions(Map.of()),
-            equalTo(new CompatibilityVersions(TransportVersion.MINIMUM_COMPATIBLE))
+            equalTo(new CompatibilityVersions(TransportVersions.MINIMUM_COMPATIBLE))
         );
 
-        TransportVersion version1 = TransportVersionUtils.getNextVersion(TransportVersion.MINIMUM_COMPATIBLE, true);
+        TransportVersion version1 = TransportVersionUtils.getNextVersion(TransportVersions.MINIMUM_COMPATIBLE, true);
         TransportVersion version2 = TransportVersionUtils.randomVersionBetween(
             random(),
             TransportVersionUtils.getNextVersion(version1, true),
diff --git a/x-pack/plugin/core/src/test/java/org/elasticsearch/xpack/core/ClientHelperTests.java b/x-pack/plugin/core/src/test/java/org/elasticsearch/xpack/core/ClientHelperTests.java
index 2a06d18eca1a2..c64cb7e546861 100644
--- a/x-pack/plugin/core/src/test/java/org/elasticsearch/xpack/core/ClientHelperTests.java
+++ b/x-pack/plugin/core/src/test/java/org/elasticsearch/xpack/core/ClientHelperTests.java
@@ -390,7 +390,7 @@ public void testGetPersistableSafeSecurityHeaders() throws IOException {
         final ClusterState clusterState = mock(ClusterState.class);
         final DiscoveryNodes discoveryNodes = mock(DiscoveryNodes.class);
         when(clusterState.nodes()).thenReturn(discoveryNodes);
-        when(clusterState.getMinTransportVersion()).thenReturn(TransportVersion.MINIMUM_COMPATIBLE);
+        when(clusterState.getMinTransportVersion()).thenReturn(TransportVersions.MINIMUM_COMPATIBLE);
         // No security header
         ThreadContext threadContext = new ThreadContext(Settings.EMPTY);
         final String nonSecurityHeaderKey = "not-a-security-header";