diff --git a/dictionaries/CallMap.php b/dictionaries/CallMap.php
index a5d8fc1e8ef..d58a32cf21c 100644
--- a/dictionaries/CallMap.php
+++ b/dictionaries/CallMap.php
@@ -11445,7 +11445,7 @@
 'ReflectionExtension::getFunctions' => ['array<string,ReflectionFunction>'],
 'ReflectionExtension::getINIEntries' => ['array<string,mixed>'],
 'ReflectionExtension::getName' => ['string'],
-'ReflectionExtension::getVersion' => ['string'],
+'ReflectionExtension::getVersion' => ['?string'],
 'ReflectionExtension::info' => ['void'],
 'ReflectionExtension::isPersistent' => ['bool'],
 'ReflectionExtension::isTemporary' => ['bool'],
diff --git a/dictionaries/CallMap_historical.php b/dictionaries/CallMap_historical.php
index b127458551a..bfd29baeb32 100644
--- a/dictionaries/CallMap_historical.php
+++ b/dictionaries/CallMap_historical.php
@@ -6071,7 +6071,7 @@
     'ReflectionExtension::getFunctions' => ['array<string,ReflectionFunction>'],
     'ReflectionExtension::getINIEntries' => ['array<string,mixed>'],
     'ReflectionExtension::getName' => ['string'],
-    'ReflectionExtension::getVersion' => ['string'],
+    'ReflectionExtension::getVersion' => ['?string'],
     'ReflectionExtension::info' => ['void'],
     'ReflectionExtension::isPersistent' => ['bool'],
     'ReflectionExtension::isTemporary' => ['bool'],