diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9660b93c0..5dd989039 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+# 5.5.1
+  - Changes from 5.5.0
+    - Bugfixes
+      - Fixes #3455 where a deadlock could occur if re-loading new data under heavy load with multiple consumers osrm-datastore
+
 # 5.5.0
   - Changes from 5.4.0
     - API:
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7b73516a3..382076efd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -53,7 +53,7 @@ endif()
 project(OSRM C CXX)
 set(OSRM_VERSION_MAJOR 5)
 set(OSRM_VERSION_MINOR 5)
-set(OSRM_VERSION_PATCH 0)
+set(OSRM_VERSION_PATCH 1)
 set(OSRM_VERSION "${OSRM_VERSION_MAJOR}.${OSRM_VERSION_MINOR}.${OSRM_VERSION_PATCH}")
 
 add_definitions(-DOSRM_PROJECT_DIR="${CMAKE_CURRENT_SOURCE_DIR}")