diff --git a/.ci_support/linux_64_.yaml b/.ci_support/linux_64_.yaml
index 6c97a5e..d8c3792 100644
--- a/.ci_support/linux_64_.yaml
+++ b/.ci_support/linux_64_.yaml
@@ -20,6 +20,8 @@ pin_run_as_build:
   python:
     min_pin: x.x
     max_pin: x.x
+pybind11_abi:
+- '4'
 python:
 - 3.10.* *_cpython
 - 3.11.* *_cpython
diff --git a/.ci_support/linux_aarch64_.yaml b/.ci_support/linux_aarch64_.yaml
index b523340..759e3e5 100644
--- a/.ci_support/linux_aarch64_.yaml
+++ b/.ci_support/linux_aarch64_.yaml
@@ -24,6 +24,8 @@ pin_run_as_build:
   python:
     min_pin: x.x
     max_pin: x.x
+pybind11_abi:
+- '4'
 python:
 - 3.10.* *_cpython
 - 3.11.* *_cpython
diff --git a/.ci_support/linux_ppc64le_.yaml b/.ci_support/linux_ppc64le_.yaml
index 8ae5a22..a51e32a 100644
--- a/.ci_support/linux_ppc64le_.yaml
+++ b/.ci_support/linux_ppc64le_.yaml
@@ -20,6 +20,8 @@ pin_run_as_build:
   python:
     min_pin: x.x
     max_pin: x.x
+pybind11_abi:
+- '4'
 python:
 - 3.10.* *_cpython
 - 3.11.* *_cpython
diff --git a/.ci_support/osx_64_.yaml b/.ci_support/osx_64_.yaml
index 798d70b..c960da0 100644
--- a/.ci_support/osx_64_.yaml
+++ b/.ci_support/osx_64_.yaml
@@ -20,6 +20,8 @@ pin_run_as_build:
   python:
     min_pin: x.x
     max_pin: x.x
+pybind11_abi:
+- '4'
 python:
 - 3.10.* *_cpython
 - 3.11.* *_cpython
diff --git a/.ci_support/osx_arm64_.yaml b/.ci_support/osx_arm64_.yaml
index 2fdcc8c..b21fa39 100644
--- a/.ci_support/osx_arm64_.yaml
+++ b/.ci_support/osx_arm64_.yaml
@@ -20,6 +20,8 @@ pin_run_as_build:
   python:
     min_pin: x.x
     max_pin: x.x
+pybind11_abi:
+- '4'
 python:
 - 3.10.* *_cpython
 - 3.11.* *_cpython
diff --git a/README.md b/README.md
index 8f63e5d..031b736 100644
--- a/README.md
+++ b/README.md
@@ -79,6 +79,7 @@ Current release info
 | Name | Downloads | Version | Platforms |
 | --- | --- | --- | --- |
 | [![Conda Recipe](https://img.shields.io/badge/recipe-fenics--basix-green.svg)](https://anaconda.org/conda-forge/fenics-basix) | [![Conda Downloads](https://img.shields.io/conda/dn/conda-forge/fenics-basix.svg)](https://anaconda.org/conda-forge/fenics-basix) | [![Conda Version](https://img.shields.io/conda/vn/conda-forge/fenics-basix.svg)](https://anaconda.org/conda-forge/fenics-basix) | [![Conda Platforms](https://img.shields.io/conda/pn/conda-forge/fenics-basix.svg)](https://anaconda.org/conda-forge/fenics-basix) |
+| [![Conda Recipe](https://img.shields.io/badge/recipe-fenics--basix--pybind11--abi-green.svg)](https://anaconda.org/conda-forge/fenics-basix-pybind11-abi) | [![Conda Downloads](https://img.shields.io/conda/dn/conda-forge/fenics-basix-pybind11-abi.svg)](https://anaconda.org/conda-forge/fenics-basix-pybind11-abi) | [![Conda Version](https://img.shields.io/conda/vn/conda-forge/fenics-basix-pybind11-abi.svg)](https://anaconda.org/conda-forge/fenics-basix-pybind11-abi) | [![Conda Platforms](https://img.shields.io/conda/pn/conda-forge/fenics-basix-pybind11-abi.svg)](https://anaconda.org/conda-forge/fenics-basix-pybind11-abi) |
 | [![Conda Recipe](https://img.shields.io/badge/recipe-fenics--libbasix-green.svg)](https://anaconda.org/conda-forge/fenics-libbasix) | [![Conda Downloads](https://img.shields.io/conda/dn/conda-forge/fenics-libbasix.svg)](https://anaconda.org/conda-forge/fenics-libbasix) | [![Conda Version](https://img.shields.io/conda/vn/conda-forge/fenics-libbasix.svg)](https://anaconda.org/conda-forge/fenics-libbasix) | [![Conda Platforms](https://img.shields.io/conda/pn/conda-forge/fenics-libbasix.svg)](https://anaconda.org/conda-forge/fenics-libbasix) |
 
 Installing fenics-basix
@@ -91,16 +92,16 @@ conda config --add channels conda-forge
 conda config --set channel_priority strict
 ```
 
-Once the `conda-forge` channel has been enabled, `fenics-basix, fenics-libbasix` can be installed with `conda`:
+Once the `conda-forge` channel has been enabled, `fenics-basix, fenics-basix-pybind11-abi, fenics-libbasix` can be installed with `conda`:
 
 ```
-conda install fenics-basix fenics-libbasix
+conda install fenics-basix fenics-basix-pybind11-abi fenics-libbasix
 ```
 
 or with `mamba`:
 
 ```
-mamba install fenics-basix fenics-libbasix
+mamba install fenics-basix fenics-basix-pybind11-abi fenics-libbasix
 ```
 
 It is possible to list all of the versions of `fenics-basix` available on your platform with `conda`: