diff --git a/ports/restinio/CONTROL b/ports/restinio/CONTROL
index 1444f330f..db9057456 100644
--- a/ports/restinio/CONTROL
+++ b/ports/restinio/CONTROL
@@ -1,4 +1,4 @@
 Source: restinio
-Version: 0.4.9
+Version: 0.4.9.1
 Description: A header-only C++14 library that gives you an embedded HTTP/Websocket server targeted primarily for asynchronous processing of HTTP-requests.
 Build-Depends: asio, fmt, http-parser
diff --git a/ports/restinio/portfile.cmake b/ports/restinio/portfile.cmake
index fa8e0c587..cbb9315fb 100644
--- a/ports/restinio/portfile.cmake
+++ b/ports/restinio/portfile.cmake
@@ -3,8 +3,8 @@ include(vcpkg_common_functions)
 vcpkg_from_bitbucket(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO sobjectizerteam/restinio-0.4
-    REF v.0.4.9
-    SHA512 a839d3178d89e954bd47a40c7468e1ab2b34786c0122897620d9d8cff36e9d2c50b5e93d0774f7bdba8a17f91ea7dc2730135a6cdcb76aad5d8f5079ee1d9fdd
+    REF v.0.4.9.1
+    SHA512 e1bd27c08331b2994ce1be140502c9d7166cc997fd79f4380ea3400106f11a2cad25c72b9d0a0b2bf11c15ce9f895522e7aea41a5f2620e30752eded78869a62
 )
 
 vcpkg_configure_cmake(