diff --git a/.github/workflows/cuda.yml b/.github/workflows/cuda.yml
index 5a06bf79395..fadc7853a9e 100644
--- a/.github/workflows/cuda.yml
+++ b/.github/workflows/cuda.yml
@@ -110,7 +110,7 @@ jobs:
         which nvcc || echo "nvcc not in PATH!"
 
         git clone https://github.com/AMReX-Codes/amrex.git ../amrex
-        cd amrex && git checkout --detach 4d6413c45fa0e1aa6f366a02d75a9e2382c73850 && cd -
+        cd amrex && git checkout --detach 22.12 && cd -
         make COMP=gcc QED=FALSE USE_MPI=TRUE USE_GPU=TRUE USE_OMP=FALSE USE_PSATD=TRUE USE_CCACHE=TRUE -j 2
 
   build_nvhpc21-11-nvcc:
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3633ee43321..834cb221450 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Preamble ####################################################################
 #
 cmake_minimum_required(VERSION 3.20.0)
-project(WarpX VERSION 22.11)
+project(WarpX VERSION 22.12)
 
 include(${WarpX_SOURCE_DIR}/cmake/WarpXFunctions.cmake)
 
diff --git a/Docs/source/conf.py b/Docs/source/conf.py
index a26c8f4db46..775b86355e8 100644
--- a/Docs/source/conf.py
+++ b/Docs/source/conf.py
@@ -73,9 +73,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = u'22.11'
+version = u'22.12'
 # The full version, including alpha/beta/rc tags.
-release = u'22.11'
+release = u'22.12'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/LICENSE.txt b/LICENSE.txt
index 16647b93187..61fbae2ffab 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,4 +1,4 @@
-WarpX v22.11 Copyright (c) 2018-2022, The Regents of the University of California, through Lawrence Berkeley National Laboratory, and Lawrence Livermore National Security, LLC, for the operation of Lawrence Livermore National Laboratory (subject to receipt of any required approvals from the U.S. Dept. of Energy). All rights reserved.
+WarpX v22.12 Copyright (c) 2018-2022, The Regents of the University of California, through Lawrence Berkeley National Laboratory, and Lawrence Livermore National Security, LLC, for the operation of Lawrence Livermore National Laboratory (subject to receipt of any required approvals from the U.S. Dept. of Energy). All rights reserved.
 
 
 Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
diff --git a/Python/setup.py b/Python/setup.py
index 57fca38ad72..5f631c0f717 100644
--- a/Python/setup.py
+++ b/Python/setup.py
@@ -54,7 +54,7 @@
     package_data = {}
 
 setup(name = 'pywarpx',
-      version = '22.11',
+      version = '22.12',
       packages = ['pywarpx'],
       package_dir = {'pywarpx': 'pywarpx'},
       description = """Wrapper of WarpX""",
diff --git a/Regression/WarpX-GPU-tests.ini b/Regression/WarpX-GPU-tests.ini
index 40525890d30..98355a120f4 100644
--- a/Regression/WarpX-GPU-tests.ini
+++ b/Regression/WarpX-GPU-tests.ini
@@ -60,7 +60,7 @@ emailBody = Check https://ccse.lbl.gov/pub/GpuRegressionTesting/WarpX/ for more
 
 [AMReX]
 dir = /home/regtester/git/amrex/
-branch = 4d6413c45fa0e1aa6f366a02d75a9e2382c73850
+branch = 22.12
 
 [source]
 dir = /home/regtester/git/WarpX
diff --git a/Regression/WarpX-tests.ini b/Regression/WarpX-tests.ini
index 57930ea44ba..b0b6b4d2eb3 100644
--- a/Regression/WarpX-tests.ini
+++ b/Regression/WarpX-tests.ini
@@ -59,7 +59,7 @@ emailBody = Check https://ccse.lbl.gov/pub/RegressionTesting/WarpX/ for more det
 
 [AMReX]
 dir = /home/regtester/AMReX_RegTesting/amrex/
-branch = 4d6413c45fa0e1aa6f366a02d75a9e2382c73850
+branch = 22.12
 
 [source]
 dir = /home/regtester/AMReX_RegTesting/warpx
diff --git a/cmake/dependencies/AMReX.cmake b/cmake/dependencies/AMReX.cmake
index dfe5b27d175..096b26acbb2 100644
--- a/cmake/dependencies/AMReX.cmake
+++ b/cmake/dependencies/AMReX.cmake
@@ -226,7 +226,7 @@ macro(find_amrex)
         endif()
         set(COMPONENT_PRECISION ${WarpX_PRECISION} P${WarpX_PARTICLE_PRECISION})
 
-        find_package(AMReX 22.11 CONFIG REQUIRED COMPONENTS ${COMPONENT_ASCENT} ${COMPONENT_DIM} ${COMPONENT_EB} PARTICLES ${COMPONENT_PIC} ${COMPONENT_PRECISION} ${COMPONENT_SENSEI} TINYP LSOLVERS)
+        find_package(AMReX 22.12 CONFIG REQUIRED COMPONENTS ${COMPONENT_ASCENT} ${COMPONENT_DIM} ${COMPONENT_EB} PARTICLES ${COMPONENT_PIC} ${COMPONENT_PRECISION} ${COMPONENT_SENSEI} TINYP LSOLVERS)
         message(STATUS "AMReX: Found version '${AMReX_VERSION}'")
     endif()
 endmacro()
@@ -240,7 +240,7 @@ set(WarpX_amrex_src ""
 set(WarpX_amrex_repo "https://github.com/AMReX-Codes/amrex.git"
     CACHE STRING
     "Repository URI to pull and build AMReX from if(WarpX_amrex_internal)")
-set(WarpX_amrex_branch "4d6413c45fa0e1aa6f366a02d75a9e2382c73850"
+set(WarpX_amrex_branch "22.12"
     CACHE STRING
     "Repository branch for WarpX_amrex_repo if(WarpX_amrex_internal)")
 
diff --git a/cmake/dependencies/PICSAR.cmake b/cmake/dependencies/PICSAR.cmake
index 600f5c128cb..3f1bb0f8968 100644
--- a/cmake/dependencies/PICSAR.cmake
+++ b/cmake/dependencies/PICSAR.cmake
@@ -82,7 +82,7 @@ function(find_picsar)
         #message(STATUS "PICSAR: Using version '${PICSAR_VERSION}'")
     else()
         # not supported by PICSAR (yet)
-        #find_package(PICSAR 22.11 CONFIG REQUIRED QED)
+        #find_package(PICSAR 22.12 CONFIG REQUIRED QED)
         #message(STATUS "PICSAR: Found version '${PICSAR_VERSION}'")
         message(FATAL_ERROR "PICSAR: Cannot be used as externally installed "
             "library yet. "
@@ -103,7 +103,7 @@ if(WarpX_QED)
     set(WarpX_picsar_repo "https://github.com/ECP-WarpX/picsar.git"
         CACHE STRING
         "Repository URI to pull and build PICSAR from if(WarpX_picsar_internal)")
-    set(WarpX_picsar_branch "4252e567089fce30d2a3a82d78998e8d3d8220c2"
+    set(WarpX_picsar_branch "006f65f332681f13de47c16fbd41c11f1e346764"
         CACHE STRING
         "Repository branch for WarpX_picsar_repo if(WarpX_picsar_internal)")
 
diff --git a/run_test.sh b/run_test.sh
index ff31025e6ae..b64d7ae5c01 100755
--- a/run_test.sh
+++ b/run_test.sh
@@ -71,7 +71,7 @@ python3 -m pip install --upgrade -r warpx/Regression/requirements.txt
 
 # Clone AMReX and warpx-data
 git clone https://github.com/AMReX-Codes/amrex.git
-cd amrex && git checkout --detach 4d6413c45fa0e1aa6f366a02d75a9e2382c73850 && cd -
+cd amrex && git checkout --detach 22.12 && cd -
 # warpx-data contains various required data sets
 git clone --depth 1 https://github.com/ECP-WarpX/warpx-data.git
 
diff --git a/setup.py b/setup.py
index 54959d9eda5..a5272377faa 100644
--- a/setup.py
+++ b/setup.py
@@ -272,7 +272,7 @@ def build_extension(self, ext):
 setup(
     name='pywarpx',
     # note PEP-440 syntax: x.y.zaN but x.y.z.devN
-    version = '22.11',
+    version = '22.12',
     packages = ['pywarpx'],
     package_dir = {'pywarpx': 'Python/pywarpx'},
     author='Jean-Luc Vay, David P. Grote, Maxence Thévenet, Rémi Lehe, Andrew Myers, Weiqun Zhang, Axel Huebl, et al.',