diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 19f132c..be56a89 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,6 +12,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - uses: extractions/setup-just@v3
+      - uses: astral-sh/setup-uv@v7
       - uses: actions/setup-python@v6
         with:
           python-version: '3.14'
@@ -28,6 +29,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - uses: extractions/setup-just@v3
+      - uses: astral-sh/setup-uv@v7
       - uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.pythonversion }}
@@ -48,6 +50,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - uses: extractions/setup-just@v3
+      - uses: astral-sh/setup-uv@v7
       - uses: actions/setup-python@v6
         with:
           python-version: '3.14'
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5da7208..5079010 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -11,6 +11,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - uses: extractions/setup-just@v3
+      - uses: astral-sh/setup-uv@v7
       - uses: actions/setup-python@v6
         with:
           python-version: '3.14'
diff --git a/justfile b/justfile
index 7386c26..3f9a19d 100644
--- a/justfile
+++ b/justfile
@@ -1,5 +1,4 @@
-PYTHON_BINARY := "python3"
-VIRTUAL_ENV := "venv"
+VIRTUAL_ENV := ".venv"
 VIRTUAL_BIN := VIRTUAL_ENV / "bin"
 PROJECT_NAME := "easypost"
 TEST_DIR := "tests"
@@ -29,8 +28,8 @@ init-examples-submodule:
 
 # Install the project locally (dev mode)
 install: init-examples-submodule
-    {{PYTHON_BINARY}} -m venv {{VIRTUAL_ENV}}
-    {{VIRTUAL_BIN}}/pip install -e ."[dev]"
+    uv venv
+    uv pip install -e '.[dev]'
 
 # Update the examples submodule
 update-examples-submodule: