diff --git a/test-server/java-tests/src/it/java/software/amazon/encryption/s3/RoundTripTests.java b/test-server/java-tests/src/it/java/software/amazon/encryption/s3/RoundTripTests.java
index 1167e4db..59382006 100644
--- a/test-server/java-tests/src/it/java/software/amazon/encryption/s3/RoundTripTests.java
+++ b/test-server/java-tests/src/it/java/software/amazon/encryption/s3/RoundTripTests.java
@@ -548,9 +548,6 @@ public void instructionFileWriteAndRead(LanguageServerTarget encLang, LanguageSe
         if (KMS_INSTRUCTION_FILE_UNSUPPORTED.contains(decLang.getLanguageName())) {
             throw new TestAbortedException("not testing " + encLang.getLanguageName());
         }
-        if (INSTRUCTION_FILE_ROUNDTRIP_TEMP_UNSUPPORTED.contains(encLang.getLanguageName())) {
-            throw new TestAbortedException("not testing " + encLang.getLanguageName());
-        }
         S3ECTestServerClient encClient = testServerClientFor(encLang);
         S3ECTestServerClient decClient = testServerClientFor(decLang);
         final String objectKey = appendTestSuffix(String.format("write-%s-read-%s-instruction-file", encLang.getLanguageName(), decLang.getLanguageName()));
diff --git a/test-server/java-tests/src/it/java/software/amazon/encryption/s3/TestUtils.java b/test-server/java-tests/src/it/java/software/amazon/encryption/s3/TestUtils.java
index b60eeb04..7aa812bb 100644
--- a/test-server/java-tests/src/it/java/software/amazon/encryption/s3/TestUtils.java
+++ b/test-server/java-tests/src/it/java/software/amazon/encryption/s3/TestUtils.java
@@ -117,10 +117,6 @@ public class TestUtils {
     public static final Set<String> INSTRUCTION_FILE_GET_UNSUPPORTED =
       Set.of(PYTHON_V3);
 
-    // PHP doesn't work but it should, temporarily disable
-    public static final Set<String> INSTRUCTION_FILE_ROUNDTRIP_TEMP_UNSUPPORTED =
-      Set.of(PHP_V2_CURRENT, PHP_V2_TRANSITION, PHP_V3);
-
     public static final Set<String> CURRENT_VERSIONS =
         Set.of(
             JAVA_V3_CURRENT,
diff --git a/test-server/php-v3-server/local-php-sdk b/test-server/php-v3-server/local-php-sdk
index c81d43cd..d75f911e 160000
--- a/test-server/php-v3-server/local-php-sdk
+++ b/test-server/php-v3-server/local-php-sdk
@@ -1 +1 @@
-Subproject commit c81d43cd86764642ed83b1457f0f3ae87b052d23
+Subproject commit d75f911e41df81a1224f09bb4330c4a1c6c8ed59