diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5ce4170..9115961 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -36,7 +36,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
-    - uses: actions/cache/restore@v3
+    - uses: actions/cache/restore@v4
       with:
         path: ${{ env.CCACHE_DIR }}
         key: ccache-${{ matrix.os }}-${{ matrix.cc }}-${{ github.run_id }}
@@ -133,7 +133,7 @@ jobs:
       if: always()
       run: ccache -sv
 
-    - uses: actions/cache/save@v3
+    - uses: actions/cache/save@v4
       if: always()
       with:
         path: ${{ env.CCACHE_DIR }}
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 613ec06..8b01a79 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -27,12 +27,12 @@ endif()
 
 # ############
 # Define Project
-project(triqs_hartree_fock VERSION 3.2.1 LANGUAGES C CXX)
+project(triqs_hartree_fock VERSION 3.3.0 LANGUAGES C CXX)
 get_directory_property(IS_SUBPROJECT PARENT_DIRECTORY)
 
 # ############
 # Load TRIQS and CPP2PY
-find_package(TRIQS 3.2 REQUIRED)
+find_package(TRIQS 3.3 REQUIRED)
 
 # Get the git hash & print status
 triqs_get_git_hash_of_source_dir(PROJECT_GIT_HASH)
@@ -129,7 +129,7 @@ if(BUILD_DEBIAN_PACKAGE AND NOT IS_SUBPROJECT)
   set(CPACK_PACKAGE_VERSION ${PROJECT_VERSION})
   set(CPACK_PACKAGE_CONTACT "https://github.com/TRIQS/${PROJECT_NAME}")
   execute_process(COMMAND dpkg --print-architecture OUTPUT_VARIABLE CMAKE_DEBIAN_PACKAGE_ARCHITECTURE OUTPUT_STRIP_TRAILING_WHITESPACE)
-  set(CPACK_DEBIAN_PACKAGE_DEPENDS "triqs (>= 3.2)")
+  set(CPACK_DEBIAN_PACKAGE_DEPENDS "triqs (>= 3.3)")
   set(CPACK_DEBIAN_PACKAGE_SHLIBDEPS ON)
   set(CPACK_DEBIAN_PACKAGE_GENERATE_SHLIBS ON)
   include(CPack)
diff --git a/doc/conf.py.in b/doc/conf.py.in
index aadfeac..3eb0de9 100644
--- a/doc/conf.py.in
+++ b/doc/conf.py.in
@@ -4,7 +4,6 @@
 
 import sys
 sys.path.insert(0, "@CMAKE_CURRENT_SOURCE_DIR@/sphinxext")
-sys.path.insert(0, "@CMAKE_CURRENT_SOURCE_DIR@/sphinxext/numpydoc")
 
 # exclude these folders from scanning by sphinx
 exclude_patterns = ['_templates']
diff --git a/packaging/TRIQS-hartree_fock-foss-2021b.eb.in b/packaging/TRIQS-hartree_fock-foss-2021b.eb.in
index e92e6e8..c966e2a 100644
--- a/packaging/TRIQS-hartree_fock-foss-2021b.eb.in
+++ b/packaging/TRIQS-hartree_fock-foss-2021b.eb.in
@@ -27,7 +27,7 @@ dependencies = [
     ('GMP', '6.2.1'),
     ('HDF5', '1.10.7'),
     ('Mako', '1.1.4'),
-    ('TRIQS', '3.2.0'),
+    ('TRIQS', '3.3.0'),
     ('NFFT', '3.5.2')
 ]