diff --git a/.github/workflows/cuda.yml b/.github/workflows/cuda.yml
index 176b87ddd6a..0b7c094649c 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 cf8d9f8e233be2ac68aeb65a95e992adfb483939 && cd -
+        cd ../amrex && git checkout --detach 23.08 && 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 705c6511db4..c3587942184 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Preamble ####################################################################
 #
 cmake_minimum_required(VERSION 3.20.0)
-project(WarpX VERSION 23.07)
+project(WarpX VERSION 23.08)
 
 include(${WarpX_SOURCE_DIR}/cmake/WarpXFunctions.cmake)
 
diff --git a/Docs/source/conf.py b/Docs/source/conf.py
index a84fef29fb6..534cfd1e6b5 100644
--- a/Docs/source/conf.py
+++ b/Docs/source/conf.py
@@ -79,9 +79,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = u'23.07'
+version = u'23.08'
 # The full version, including alpha/beta/rc tags.
-release = u'23.07'
+release = u'23.08'
 
 # 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 0ef22913505..c8c1f925ea4 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,4 +1,4 @@
-WarpX v23.07 Copyright (c) 2018-2023, 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 v23.08 Copyright (c) 2018-2023, 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 7f52f7a4699..1dcfcc4d35e 100644
--- a/Python/setup.py
+++ b/Python/setup.py
@@ -54,7 +54,7 @@
     package_data = {}
 
 setup(name = 'pywarpx',
-      version = '23.07',
+      version = '23.08',
       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 0123a6691c5..6633050fd39 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 = cf8d9f8e233be2ac68aeb65a95e992adfb483939
+branch = 23.08
 
 [source]
 dir = /home/regtester/git/WarpX
diff --git a/Regression/WarpX-tests.ini b/Regression/WarpX-tests.ini
index ed1cbaf8ee2..28ca031f028 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 = cf8d9f8e233be2ac68aeb65a95e992adfb483939
+branch = 23.08
 
 [source]
 dir = /home/regtester/AMReX_RegTesting/warpx
diff --git a/cmake/dependencies/AMReX.cmake b/cmake/dependencies/AMReX.cmake
index e3151870447..400a11d3aa0 100644
--- a/cmake/dependencies/AMReX.cmake
+++ b/cmake/dependencies/AMReX.cmake
@@ -229,7 +229,7 @@ macro(find_amrex)
         endif()
         set(COMPONENT_PRECISION ${WarpX_PRECISION} P${WarpX_PARTICLE_PRECISION})
 
-        find_package(AMReX 23.07 CONFIG REQUIRED COMPONENTS ${COMPONENT_ASCENT} ${COMPONENT_DIMS} ${COMPONENT_EB} PARTICLES ${COMPONENT_PIC} ${COMPONENT_PRECISION} ${COMPONENT_SENSEI} TINYP LSOLVERS)
+        find_package(AMReX 23.08 CONFIG REQUIRED COMPONENTS ${COMPONENT_ASCENT} ${COMPONENT_DIMS} ${COMPONENT_EB} PARTICLES ${COMPONENT_PIC} ${COMPONENT_PRECISION} ${COMPONENT_SENSEI} TINYP LSOLVERS)
         message(STATUS "AMReX: Found version '${AMReX_VERSION}'")
     endif()
 endmacro()
@@ -243,7 +243,7 @@ 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 "cf8d9f8e233be2ac68aeb65a95e992adfb483939"
+set(WarpX_amrex_branch "23.08"
     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 47373a88bc1..536fe0e92cc 100644
--- a/cmake/dependencies/PICSAR.cmake
+++ b/cmake/dependencies/PICSAR.cmake
@@ -82,7 +82,7 @@ function(find_picsar)
         #message(STATUS "PICSAR: Using version '${PICSAR_VERSION}'")
     else()
         # not supported by PICSAR (yet)
-        #find_package(PICSAR 23.07 CONFIG REQUIRED QED)
+        #find_package(PICSAR 23.08 CONFIG REQUIRED QED)
         #message(STATUS "PICSAR: Found version '${PICSAR_VERSION}'")
         message(FATAL_ERROR "PICSAR: Cannot be used as externally installed "
             "library yet. "
diff --git a/run_test.sh b/run_test.sh
index 7e6ba830ec9..353767c65b0 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 cf8d9f8e233be2ac68aeb65a95e992adfb483939 && cd -
+cd amrex && git checkout --detach 23.08 && cd -
 # warpx-data contains various required data sets
 git clone --depth 1 https://github.com/ECP-WarpX/warpx-data.git
 # openPMD-example-datasets contains various required data sets
diff --git a/setup.py b/setup.py
index c9116da12a7..2f60300a43e 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 = '23.07',
+    version = '23.08',
     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.',