diff --git a/.github/workflows/cff-validator.yml b/.github/workflows/cff-validator.yml
index ccbcc68..e0764a0 100644
--- a/.github/workflows/cff-validator.yml
+++ b/.github/workflows/cff-validator.yml
@@ -24,6 +24,4 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
       - name: Validate CITATION.cff
-        uses: dieghernan/cff-validator@v3
-        with:
-          install-r: true
+        uses: dieghernan/cff-validator@v4
diff --git a/.zenodo.json b/.zenodo.json
index ef6636c..d6516c1 100644
--- a/.zenodo.json
+++ b/.zenodo.json
@@ -1,7 +1,7 @@
 {
     "upload_type": "software",
-    "publication_date": "2022-09-26",
-    "title": "Recommendation ITU-R P.2108-1, Release 1.0",
+    "publication_date": "2025-01-23",
+    "title": "Recommendation ITU-R P.2108-1, Release 1.1",
     "creators": [
         {
             "name": "Kozma Jr, William",
@@ -54,5 +54,5 @@
             "resource_type": "publication-softwaredocumentation"
         }
     ],
-    "version": "1.0"
+    "version": "1.1"
 }
diff --git a/CITATION.cff b/CITATION.cff
index a5b765e..ff25057 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -40,4 +40,4 @@ keywords:
   - rf
   - clutter
   - itu
-version: 1.0.0
+version: 1.1
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7072edb..a94d1d2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -66,7 +66,7 @@ set(LIB_NAME "P2108")                 # Name of library/target
 set(LIB_NAMESPACE "ITS.ITU.PSeries")  # Namespace for the named library
 project(
     "${LIB_NAMESPACE}.${LIB_NAME}"
-    VERSION 1.0
+    VERSION 1.1
     DESCRIPTION "Recommendation ITU-R P.2108"
     HOMEPAGE_URL "https://ntia.github.io/propagation-library-wiki/models/P2108"
     LANGUAGES "CXX"