diff --git a/.github/workflows/cuda.yml b/.github/workflows/cuda.yml
index ff50edc428e..2874b9dea7c 100644
--- a/.github/workflows/cuda.yml
+++ b/.github/workflows/cuda.yml
@@ -115,7 +115,7 @@ jobs:
         which nvcc || echo "nvcc not in PATH!"
 
         git clone https://github.com/AMReX-Codes/amrex.git ../amrex
-        cd ../amrex && git checkout --detach ecaa46d0be4b5c79b8806e48e3469000d8bb7252 && cd -
+        cd ../amrex && git checkout --detach ef38229189e3213f992a2e89dbe304fb49db9287 && cd -
         make COMP=gcc QED=FALSE USE_MPI=TRUE USE_GPU=TRUE USE_OMP=FALSE USE_PSATD=TRUE USE_CCACHE=TRUE -j 2
 
         ccache -s
diff --git a/Regression/WarpX-GPU-tests.ini b/Regression/WarpX-GPU-tests.ini
index ceba435d251..40eb6cd4802 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 = ecaa46d0be4b5c79b8806e48e3469000d8bb7252
+branch = ef38229189e3213f992a2e89dbe304fb49db9287
 
 [source]
 dir = /home/regtester/git/WarpX
diff --git a/Regression/WarpX-tests.ini b/Regression/WarpX-tests.ini
index 2934c686c4d..7fa7162891a 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 = ecaa46d0be4b5c79b8806e48e3469000d8bb7252
+branch = ef38229189e3213f992a2e89dbe304fb49db9287
 
 [source]
 dir = /home/regtester/AMReX_RegTesting/warpx
diff --git a/cmake/dependencies/AMReX.cmake b/cmake/dependencies/AMReX.cmake
index 2b044f3a485..bc04048e2fe 100644
--- a/cmake/dependencies/AMReX.cmake
+++ b/cmake/dependencies/AMReX.cmake
@@ -269,7 +269,7 @@ 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 "ecaa46d0be4b5c79b8806e48e3469000d8bb7252"
+set(WarpX_amrex_branch "ef38229189e3213f992a2e89dbe304fb49db9287"
     CACHE STRING
     "Repository branch for WarpX_amrex_repo if(WarpX_amrex_internal)")
 
diff --git a/cmake/dependencies/pyAMReX.cmake b/cmake/dependencies/pyAMReX.cmake
index 57e378c26a0..9bb9cf427cd 100644
--- a/cmake/dependencies/pyAMReX.cmake
+++ b/cmake/dependencies/pyAMReX.cmake
@@ -79,7 +79,7 @@ option(WarpX_pyamrex_internal "Download & build pyAMReX" ON)
 set(WarpX_pyamrex_repo "https://github.com/AMReX-Codes/pyamrex.git"
     CACHE STRING
     "Repository URI to pull and build pyamrex from if(WarpX_pyamrex_internal)")
-set(WarpX_pyamrex_branch "0b2d3f6b160991834534164b7391080fabc48ddb"
+set(WarpX_pyamrex_branch "91bbbbab13a0651781b6830f64d362dc3d15a3ea"
     CACHE STRING
     "Repository branch for WarpX_pyamrex_repo if(WarpX_pyamrex_internal)")
 
diff --git a/run_test.sh b/run_test.sh
index 8da087155ba..8ddca959861 100755
--- a/run_test.sh
+++ b/run_test.sh
@@ -68,7 +68,7 @@ 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 ecaa46d0be4b5c79b8806e48e3469000d8bb7252 && cd -
+cd amrex && git checkout --detach ef38229189e3213f992a2e89dbe304fb49db9287 && 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