diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 3c9f6c3c..775412ab 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -87,7 +87,8 @@ jobs:
             pip install -U setuptools-rust &&
             curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain=nightly --profile=minimal -y &&
             rustup show
-
+          CIBW_BEFORE_BUILD_MACOS: >
+            rustup target add x86_64-apple-darwin
       # - name: build windows 32bit binaries
       #   if: matrix.os == 'windows'
       #   run: cibuildwheel --output-dir dist
diff --git a/.github/workflows/wheels.yaml b/.github/workflows/wheels.yaml
index 5640579b..bbc27ea9 100644
--- a/.github/workflows/wheels.yaml
+++ b/.github/workflows/wheels.yaml
@@ -89,7 +89,8 @@ jobs:
             pip install -U setuptools-rust &&
             curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain=nightly --profile=minimal -y &&
             rustup show
-
+          CIBW_BEFORE_BUILD_MACOS: >
+            rustup target add x86_64-apple-darwin
       # - name: build windows 32bit binaries
       #   if: matrix.os == 'windows'
       #   run: cibuildwheel --output-dir dist
diff --git a/pyproject.toml b/pyproject.toml
index 81260ac9..e1696c98 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "maturin"
 
 [project]
 name = "fastsim"
-version = "2.1.2"
+version = "2.1.3"
 authors = [{ name = "NREL/MTES/CIMS/MBAP Group", email = "fastsim@nrel.gov" }]
 description = "Tool for modeling vehicle powertrains"
 readme = "README.md"
diff --git a/rust/fastsim-core/Cargo.toml b/rust/fastsim-core/Cargo.toml
index bd90b226..b8639323 100644
--- a/rust/fastsim-core/Cargo.toml
+++ b/rust/fastsim-core/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "fastsim-core"
-version = "0.1.6"
+version = "0.1.7"
 edition = "2021"
 license = "Apache-2.0"
 authors = ["NREL/MTES/CIMS/MBAP Group <fastsim@nrel.gov>"]
diff --git a/rust/fastsim-core/fastsim-proc-macros/Cargo.toml b/rust/fastsim-core/fastsim-proc-macros/Cargo.toml
index 7956e0ed..085fd1b8 100644
--- a/rust/fastsim-core/fastsim-proc-macros/Cargo.toml
+++ b/rust/fastsim-core/fastsim-proc-macros/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 authors = ["NREL/MTES/CIMS/MBAP Group <fastsim@nrel.gov>"]
 name = "fastsim-proc-macros"
-version = "0.1.6"
+version = "0.1.7"
 edition = "2021"
 license = "Apache-2.0"
 readme = "../../../README.md"