diff --git a/Dockerfile.proxy_only b/Dockerfile.proxy_only
index 7c0f2972..bc4cc90b 100644
--- a/Dockerfile.proxy_only
+++ b/Dockerfile.proxy_only
@@ -13,7 +13,6 @@ WORKDIR /app
 RUN apt-get update && apt-get install -y --no-install-recommends \
   build-essential \
   python3-dev \
-  python3-blis \
   gcc \
   g++ \
   && rm -rf /var/lib/apt/lists/*
diff --git a/requirements.txt b/requirements.txt
index af328f48..774a5430 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,4 +21,6 @@ ipython
 ipykernel
 peft
 bitsandbytes
-gradio
\ No newline at end of file
+gradio
+# Constrain spacy version to avoid blis build issues on ARM64
+spacy<3.8.0
\ No newline at end of file
diff --git a/requirements_proxy_only.txt b/requirements_proxy_only.txt
index 84e02764..6ef093be 100644
--- a/requirements_proxy_only.txt
+++ b/requirements_proxy_only.txt
@@ -16,4 +16,6 @@ nbformat
 nbconvert
 ipython
 ipykernel
-gradio
\ No newline at end of file
+gradio
+# Constrain spacy version to avoid blis build issues on ARM64
+spacy<3.8.0
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 29424ab8..89efc2fd 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 setup(
     name="optillm",
-    version="0.0.27",
+    version="0.0.28",
     packages=find_packages(),
     py_modules=['optillm'],
     package_data={
@@ -33,7 +33,9 @@
         "ipykernel",
         "peft",
         "bitsandbytes",
-        "gradio"
+        "gradio",
+        # Constrain spacy version to avoid blis build issues on ARM64
+        "spacy<3.8.0",
     ],
     entry_points={
         'console_scripts': [