diff --git a/docs/doxygen/config.doxyfile b/docs/doxygen/config.doxyfile
index 74f501fa..c9e121dc 100644
--- a/docs/doxygen/config.doxyfile
+++ b/docs/doxygen/config.doxyfile
@@ -48,7 +48,7 @@ PROJECT_NAME           = "FreeRTOS: FreeRTOS Cellular Library"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = v1.4.2
+PROJECT_NUMBER         = v1.4.1
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/manifest.yml b/manifest.yml
index e378d2f3..1744cdf9 100644
--- a/manifest.yml
+++ b/manifest.yml
@@ -1,5 +1,5 @@
 name : "FreeRTOS-Cellular-Interface"
-version: "v1.4.2"
+version: "v1.4.1+"
 description: |
   "FreeRTOS Cellular Interface implementation of the 3GPP TS v27.007 standard..\n"
 license: "MIT"