diff --git a/doc/dev-reference/compilation.rst b/doc/dev-reference/compilation.rst
index 8f44c15c..de679422 100644
--- a/doc/dev-reference/compilation.rst
+++ b/doc/dev-reference/compilation.rst
@@ -64,7 +64,7 @@ libpcre are supported. The use of unsupported constructs will result in
 compilation errors.
 
 The version of PCRE used to validate Hyperscan's interpretation of this syntax
-is 8.38.
+is 8.40.
 
 ====================
 Supported Constructs