diff --git a/reg-tests/cache/caching_rules.vtc b/reg-tests/cache/caching_rules.vtc
index ccbead7..c20a720 100644
--- a/reg-tests/cache/caching_rules.vtc
+++ b/reg-tests/cache/caching_rules.vtc
@@ -2,7 +2,7 @@
 # A response will not be cached unless it has an explicit age (Cache-Control max-age of s-maxage, Expires) or a validator (Last-Modified, or ETag)
 # A response will not be cached either if it has an Age header that is either invalid (should be an integer) or greater than its max age.
 
-#REQUIRE_VERSION=1.9
+#REQUIRE_VERSION=2.4
 
 feature ignore_unknown_macro
 
diff --git a/reg-tests/cache/post_on_entry.vtc b/reg-tests/cache/post_on_entry.vtc
index 2b807f6..db6414e 100644
--- a/reg-tests/cache/post_on_entry.vtc
+++ b/reg-tests/cache/post_on_entry.vtc
@@ -1,6 +1,6 @@
 varnishtest "A successful unsafe method (POST for instance) on a cached entry must disable it."
 
-#REQUIRE_VERSION=2.3
+#REQUIRE_VERSION=2.4
 
 feature ignore_unknown_macro
 
diff --git a/reg-tests/cache/vary.vtc b/reg-tests/cache/vary.vtc
index fc2c445..f3425d0 100644
--- a/reg-tests/cache/vary.vtc
+++ b/reg-tests/cache/vary.vtc
@@ -1,6 +1,6 @@
 varnishtest "Vary support"
 
-#REQUIRE_VERSION=2.3
+#REQUIRE_VERSION=2.4
 
 feature ignore_unknown_macro