diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6366a5ce6..769913025 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Preamble ####################################################################
 #
 cmake_minimum_required(VERSION 3.20.0)
-project(ImpactX VERSION 23.06)
+project(ImpactX VERSION 23.07)
 
 include(${ImpactX_SOURCE_DIR}/cmake/ImpactXFunctions.cmake)
 
diff --git a/cmake/dependencies/ABLASTR.cmake b/cmake/dependencies/ABLASTR.cmake
index b6162bdc4..ba32182ca 100644
--- a/cmake/dependencies/ABLASTR.cmake
+++ b/cmake/dependencies/ABLASTR.cmake
@@ -135,7 +135,7 @@ macro(find_ablastr)
         set(COMPONENT_DIM 3D)
         set(COMPONENT_PRECISION ${ImpactX_PRECISION} P${ImpactX_PRECISION})
 
-        find_package(ABLASTR 23.06 CONFIG REQUIRED COMPONENTS ${COMPONENT_DIM})
+        find_package(ABLASTR 23.07 CONFIG REQUIRED COMPONENTS ${COMPONENT_DIM})
         message(STATUS "ABLASTR: Found version '${ABLASTR_VERSION}'")
     endif()
 
@@ -166,7 +166,7 @@ set(ImpactX_openpmd_src ""
 set(ImpactX_ablastr_repo "https://github.com/ECP-WarpX/WarpX.git"
     CACHE STRING
     "Repository URI to pull and build ABLASTR from if(ImpactX_ablastr_internal)")
-set(ImpactX_ablastr_branch "23.06"
+set(ImpactX_ablastr_branch "23.07"
     CACHE STRING
     "Repository branch for ImpactX_ablastr_repo if(ImpactX_ablastr_internal)")
 
@@ -174,7 +174,7 @@ set(ImpactX_ablastr_branch "23.06"
 set(ImpactX_amrex_repo "https://github.com/AMReX-Codes/amrex.git"
     CACHE STRING
     "Repository URI to pull and build AMReX from if(ImpactX_amrex_internal)")
-set(ImpactX_amrex_branch "23.06"
+set(ImpactX_amrex_branch "23.07"
     CACHE STRING
     "Repository branch for ImpactX_amrex_repo if(ImpactX_amrex_internal)")
 
diff --git a/cmake/dependencies/pyAMReX.cmake b/cmake/dependencies/pyAMReX.cmake
index dee95a5ff..85cc031ae 100644
--- a/cmake/dependencies/pyAMReX.cmake
+++ b/cmake/dependencies/pyAMReX.cmake
@@ -61,7 +61,7 @@ function(find_pyamrex)
         endif()
     elseif(NOT ImpactX_pyamrex_internal)
         # TODO: MPI control
-        find_package(pyAMReX 23.06 CONFIG REQUIRED)
+        find_package(pyAMReX 23.07 CONFIG REQUIRED)
         message(STATUS "pyAMReX: Found version '${pyamrex_VERSION}'")
     endif()
 endfunction()
@@ -76,7 +76,7 @@ option(ImpactX_pyamrex_internal "Download & build pyAMReX" ON)
 set(ImpactX_pyamrex_repo "https://github.com/AMReX-Codes/pyamrex.git"
     CACHE STRING
     "Repository URI to pull and build pyamrex from if(ImpactX_pyamrex_internal)")
-set(ImpactX_pyamrex_branch "23.06"
+set(ImpactX_pyamrex_branch "23.07"
     CACHE STRING
     "Repository branch for ImpactX_pyamrex_repo if(ImpactX_pyamrex_internal)")
 
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 77611018d..4a7494e20 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -72,9 +72,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = "23.06"
+version = "23.07"
 # The full version, including alpha/beta/rc tags.
-release = "23.06"
+release = "23.07"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/setup.py b/setup.py
index cf991edda..6b1b96e2c 100644
--- a/setup.py
+++ b/setup.py
@@ -239,7 +239,7 @@ def build_extension(self, ext):
 setup(
     name="impactx",
     # note PEP-440 syntax: x.y.zaN but x.y.z.devN
-    version="23.06",
+    version="23.07",
     packages=["impactx"],
     # Python sources:
     package_dir={"": "src/python"},
diff --git a/src/particles/spacecharge/PoissonSolve.cpp b/src/particles/spacecharge/PoissonSolve.cpp
index aec6f79ad..9909edb95 100644
--- a/src/particles/spacecharge/PoissonSolve.cpp
+++ b/src/particles/spacecharge/PoissonSolve.cpp
@@ -9,6 +9,12 @@
  */
 #include "PoissonSolve.H"
 
+#include <ablastr/constant.H>
+/* work-around for https://github.com/ECP-WarpX/WarpX/pull/4090 in ABLASTR 23.07 */
+namespace PhysConst
+{
+    using namespace ablastr::constant::SI;
+}
 #include <ablastr/fields/PoissonSolver.H>
 
 #include <AMReX_BLProfiler.H>
@@ -103,7 +109,8 @@ namespace impactx::spacecharge
 
         // fix side effect on rho from previous call
         for (int lev=0; lev<=finest_level; lev++) {
-            rho[lev].mult(-1._rt * PhysConst::ep0);
+            using namespace ablastr::constant::SI;
+            rho[lev].mult(-1._rt * ep0);
         }
 
         // fill boundary