diff --git a/scripts/build-package b/scripts/build-package
index 2fffabcc..7a81f3fc 100755
--- a/scripts/build-package
+++ b/scripts/build-package
@@ -9,7 +9,7 @@ export EXODUS_CONFIG_CACHE_TTL=${EXODUS_CONFIG_CACHE_TTL:-2}
 pip install --require-hashes -r requirements.txt --target ./package
 pip install --no-deps --target ./package .
 cp ./configuration/exodus-lambda-deploy.yaml ./package
-envsubst < ./configuration/lambda_config.json > ./package/lambda_config.json
+envsubst < ./configuration/lambda_config.template > ./package/lambda_config.json
 aws cloudformation package \
 	--template ./package/exodus-lambda-deploy.yaml \
 	--s3-bucket $PROJECT-pipeline-artifacts \
diff --git a/test-requirements.txt b/test-requirements.txt
index 7ef1ad1d..88fb6dac 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -28,9 +28,9 @@ charset-normalizer==2.0.7 \
     --hash=sha256:e019de665e2bcf9c2b64e2e5aa025fa991da8720daa3c1138cadd2fd1856aed0 \
     --hash=sha256:f7af805c321bfa1ce6714c51f254e0d5bb5e5834039bc17db7ebe3a4cec9492b
     # via requests
-click==8.0.1 \
-    --hash=sha256:8c04c11192119b1ef78ea049e0a6f0463e4c48ef00a30160c704337586f3ad7a \
-    --hash=sha256:fba402a4a47334742d782209a7c79bc448911afe1149d07bdabdf480b3e2f4b6
+click==8.0.3 \
+    --hash=sha256:353f466495adaeb40b6b5f592f9f91cb22372351c84caeb068132442a4518ef3 \
+    --hash=sha256:410e932b050f5eed773c4cda94de75971c89cdb3155a72a0831139a79e5ecb5b
     # via black
 coverage==5.5 \
     --hash=sha256:004d1880bed2d97151facef49f08e255a20ceb6f9432df75f4eef018fdd5a78c \
diff --git a/tests/conftest.py b/tests/conftest.py
index b0dd7dfa..35f6058e 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -61,7 +61,7 @@ def mock_conf_file():
     test_env["ORIGIN_REQUEST_LOGGER_LEVEL"] = "DEBUG"
     test_env["EXODUS_HEADERS_MAX_AGE"] = "600"
 
-    cmd = "envsubst < ./configuration/lambda_config.json > {temp_path}"
+    cmd = "envsubst < ./configuration/lambda_config.template > {temp_path}"
     cmd = cmd.format(temp_path=temp_file.name)
 
     subprocess.run(
diff --git a/tox.ini b/tox.ini
index ab6c04a9..786df009 100644
--- a/tox.ini
+++ b/tox.ini
@@ -50,6 +50,12 @@ commands=
     pip install --no-deps --target ./package .
 
     # Always using hardcoded config for now.
+    export ORIGIN_RESPONSE_LOGGER_LEVEL=${ORIGIN_RESPONSE_LOGGER_LEVEL:-WARNING}
+    export ORIGIN_REQUEST_LOGGER_LEVEL=${ORIGIN_REQUEST_LOGGER_LEVEL:-WARNING}
+    export EXODUS_HEADERS_MAX_AGE=${EXODUS_HEADERS_MAX_AGE:-600}
+    export EXODUS_CONFIG_CACHE_TTL=${EXODUS_CONFIG_CACHE_TTL:-2}
+
+    envsubst < configuration/lambda_config.template > configuration/lambda_config.json
     cp configuration/lambda_config.json package
 
     sh -c 'cd package && zip -r ../package.zip .'