diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4123b274d7f..d0dc0262420 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Preamble ####################################################################
 #
 cmake_minimum_required(VERSION 3.15.0)
-project(WarpX VERSION 21.10)
+project(WarpX VERSION 21.11)
 
 include(${WarpX_SOURCE_DIR}/cmake/WarpXFunctions.cmake)
 
diff --git a/Docs/source/conf.py b/Docs/source/conf.py
index 413d0979656..a91dbb23477 100644
--- a/Docs/source/conf.py
+++ b/Docs/source/conf.py
@@ -66,9 +66,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = u'21.10'
+version = u'21.11'
 # The full version, including alpha/beta/rc tags.
-release = u'21.10'
+release = u'21.11'
 
 # 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 6fa0d856968..d29eb6ea2c4 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,4 +1,4 @@
-WarpX v21.10 Copyright (c) 2018-2021, 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 v21.11 Copyright (c) 2018-2021, 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 b1857a06190..86330717cc1 100644
--- a/Python/setup.py
+++ b/Python/setup.py
@@ -54,7 +54,7 @@
     package_data = {}
 
 setup(name = 'pywarpx',
-      version = '21.10',
+      version = '21.11',
       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 a908756bc3e..579f05ec455 100644
--- a/Regression/WarpX-GPU-tests.ini
+++ b/Regression/WarpX-GPU-tests.ini
@@ -48,7 +48,7 @@ emailBody = Check https://ccse.lbl.gov/pub/GpuRegressionTesting/WarpX/ for more
 
 [AMReX]
 dir = /home/regtester/git/amrex/
-branch = 614b9ebbbf04eb5b4532029ff4a7ae40e6663042
+branch = aca6926e0a85a0fad4087bd47016edad0885252f
 
 [source]
 dir = /home/regtester/git/WarpX
diff --git a/Regression/WarpX-tests.ini b/Regression/WarpX-tests.ini
index 3b5a53b3e02..f0403f38f89 100644
--- a/Regression/WarpX-tests.ini
+++ b/Regression/WarpX-tests.ini
@@ -48,7 +48,7 @@ emailBody = Check https://ccse.lbl.gov/pub/RegressionTesting/WarpX/ for more det
 
 [AMReX]
 dir = /home/regtester/AMReX_RegTesting/amrex/
-branch = 614b9ebbbf04eb5b4532029ff4a7ae40e6663042
+branch = aca6926e0a85a0fad4087bd47016edad0885252f
 
 [source]
 dir = /home/regtester/AMReX_RegTesting/warpx
diff --git a/cmake/dependencies/AMReX.cmake b/cmake/dependencies/AMReX.cmake
index 388eade2b53..09affdc67ba 100644
--- a/cmake/dependencies/AMReX.cmake
+++ b/cmake/dependencies/AMReX.cmake
@@ -225,7 +225,7 @@ macro(find_amrex)
         endif()
         set(COMPONENT_PRECISION ${WarpX_PRECISION} P${WarpX_PRECISION})
 
-        find_package(AMReX 21.10 CONFIG REQUIRED COMPONENTS ${COMPONENT_ASCENT} ${COMPONENT_DIM} ${COMPONENT_EB} PARTICLES ${COMPONENT_PIC} ${COMPONENT_PRECISION} ${COMPONENT_SENSEI} TINYP LSOLVERS)
+        find_package(AMReX 21.11 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()
@@ -239,7 +239,7 @@ 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 "614b9ebbbf04eb5b4532029ff4a7ae40e6663042"
+set(WarpX_amrex_branch "aca6926e0a85a0fad4087bd47016edad0885252f"
     CACHE STRING
     "Repository branch for WarpX_amrex_repo if(WarpX_amrex_internal)")
 
diff --git a/run_test.sh b/run_test.sh
index 0cf6c3cfc8e..c8a98d78247 100755
--- a/run_test.sh
+++ b/run_test.sh
@@ -51,7 +51,7 @@ echo "cd $PWD"
 
 # Clone PICSAR, AMReX and warpx-data
 git clone https://github.com/AMReX-Codes/amrex.git
-cd amrex && git checkout --detach 614b9ebbbf04eb5b4532029ff4a7ae40e6663042 && cd -
+cd amrex && git checkout --detach aca6926e0a85a0fad4087bd47016edad0885252f && cd -
 # Use QED brach for QED tests
 git clone https://github.com/ECP-WarpX/picsar.git
 cd picsar && git checkout --detach a78be127f66adc1558f527edc8964e37e3a055ff && cd -
diff --git a/setup.py b/setup.py
index ac14b242204..4fee162c5d6 100644
--- a/setup.py
+++ b/setup.py
@@ -253,7 +253,7 @@ def build_extension(self, ext):
 setup(
     name='pywarpx',
     # note PEP-440 syntax: x.y.zaN but x.y.z.devN
-    version = '21.10',
+    version = '21.11',
     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.',