diff --git a/.github/workflows/dependencies.yml b/.github/workflows/dependencies.yml
index 98e812d1..fe175244 100644
--- a/.github/workflows/dependencies.yml
+++ b/.github/workflows/dependencies.yml
@@ -35,9 +35,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        armadillo: ["10.5.x", "10.7.x"]
-        pybind: ["v2.6.0", "v2.8.1"]
         armadillo: ["10.6.x", "10.8.x"]
+        pybind: ["v2.6.0", "v2.9.0"]
 
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
diff --git a/cmake/GetPybind11.cmake b/cmake/GetPybind11.cmake
index dadac506..64f60bda 100644
--- a/cmake/GetPybind11.cmake
+++ b/cmake/GetPybind11.cmake
@@ -1,12 +1,12 @@
 include(FetchContent)
 
-SET(DEFAULT_PYBIND11_VERSION v2.8.1)
+SET(DEFAULT_PYBIND11_VERSION v2.9.0)
 IF (NOT USE_PYBIND11_VERSION)
     MESSAGE(STATUS "carma: Setting Pybind11 version to '${DEFAULT_PYBIND11_VERSION}' as none was specified.")
     SET(USE_PYBIND11_VERSION "${DEFAULT_PYBIND11_VERSION}" CACHE STRING "Choose the version of Pybind11." FORCE)
   # Set the possible values of build type for cmake-gui
   SET_PROPERTY(CACHE USE_PYBIND11_VERSION PROPERTY STRINGS
-    "v2.6.0" "v2.6.1" "v2.6.2" "v2.7.1" "v2.8.1"
+    "v2.6.0" "v2.6.1" "v2.6.2" "v2.7.1" "v2.8.1" "v2.9.0"
 )
 ENDIF ()