diff --git a/committee/README.md b/committee/README.md
index b555928..c4674f0 100644
--- a/committee/README.md
+++ b/committee/README.md
@@ -34,9 +34,8 @@ by running
 ```
 and then running
 ```
-docker build -f committee/Dockerfile .
+docker build -f committee/Dockerfile build/Release
 ```
-from the build directory (build/Release).
 
 ## Running the Committee Service
 The docker image expects to find a `config.yaml` file in its root directory. This file should be
diff --git a/committee/setup.py b/committee/setup.py
index 4efa731..26ec430 100644
--- a/committee/setup.py
+++ b/committee/setup.py
@@ -5,7 +5,7 @@
     version='0.1',
     packages=find_packages(),
     install_requires=[
-        'aerospike==3.9.0',
+        'aerospike==4.0.0',
         'aioredis==1.2.0',
         'fastecdsa==1.7.2',
         'marshmallow-dataclass==7.1.0',
diff --git a/storage/setup.py b/storage/setup.py
index ccc586e..6fb4970 100644
--- a/storage/setup.py
+++ b/storage/setup.py
@@ -16,7 +16,7 @@
     packages=find_packages(),
     namespace_packages=['starkware'],
     install_requires=[
-        'aerospike==3.9.0',
+        'aerospike==4.0.0',
         'aiobotocore==0.11.0',
         'aioredis==1.2.0',
         'aioredlock==0.3.0',
diff --git a/tox.ini b/tox.ini
index 9ebd8ae..0ac83c9 100644
--- a/tox.ini
+++ b/tox.ini
@@ -16,7 +16,7 @@ deps=
     --no-cache-dir
     --force-reinstall
     --extra-index-url=https://test.pypi.org/simple/
-    aerospike==3.9.0
+    aerospike==4.0.0
     fastecdsa==1.7.2
 
     pytest-asyncio