diff --git a/recipes/simpleaf/build.sh b/recipes/simpleaf/build.sh
index 05c57b630a9d8..554b00d375f30 100644
--- a/recipes/simpleaf/build.sh
+++ b/recipes/simpleaf/build.sh
@@ -2,6 +2,11 @@
 export CFLAGS="${CFLAGS} -fcommon"
 export CXXFLAGS="${CFLAGS} -fcommon"
 
+if [ "$(uname)" == "Darwin" ]; then
+  export CFLAGS="${CFLAGS} -fno-define-target-os-macros"
+  export CXXFLAGS="${CXXFLAGS} -fno-define-target-os-macros"
+fi
+
 # Add workaround for SSH-based Git connections from Rust/cargo.  See https://github.com/rust-lang/cargo/issues/2078 for details.
 # We set CARGO_HOME because we don't pass on HOME to conda-build, thus rendering the default "${HOME}/.cargo" defunct.
 export CARGO_NET_GIT_FETCH_WITH_CLI=true CARGO_HOME="$(pwd)/.cargo"
diff --git a/recipes/simpleaf/meta.yaml b/recipes/simpleaf/meta.yaml
index 0d5fb6aceedac..c738aeaa095e5 100644
--- a/recipes/simpleaf/meta.yaml
+++ b/recipes/simpleaf/meta.yaml
@@ -1,4 +1,4 @@
-{% set version = "0.17.4" %}
+{% set version = "0.18.0" %}
 
 package:
   name: simpleaf
@@ -11,7 +11,7 @@ build:
 
 source:
   url: https://github.com/COMBINE-lab/simpleaf/archive/v{{ version }}.tar.gz
-  sha256: 3c14206ae0a43fe4ffaf6ccaad9c8d2636c60181bc7ec67e16c42b4d749f0070
+  sha256: f83a792677d7e83c16ec68143b6b6be8537d72560626a5ef2d5e26a0276a4244
 
 requirements:
   build:
@@ -22,9 +22,9 @@ requirements:
     - pkg-config
   host:
   run:
-    - alevin-fry >=0.8.2
-    - salmon >=1.10.1
-    - piscem >=0.11.0 # [not osx-arm64]
+    - alevin-fry >=0.11.0
+    - salmon >=1.10.1 # [not osx]
+    - piscem >=0.11.0 
 
 test:
   commands:
@@ -38,4 +38,5 @@ about:
 
 extra:
   additional-platforms:
+    - osx-arm64
     - linux-aarch64