diff --git a/docs/contributing.rst b/docs/contributing.rst
index d41a23b..a22236e 100644
--- a/docs/contributing.rst
+++ b/docs/contributing.rst
@@ -74,7 +74,7 @@ The PR reviewer is a second set of eyes to see if:
 **Release Manager:**
  - Ensure CI is passing.
  - Create a release on github and tag it with the changelog release notes.
- - ``python setup.py build sdist bdist_wheel``
+ - ``python3 setup.py build sdist bdist_wheel``
  - ``twine upload dist/*``
  - Go to ReadTheDocs build page and trigger a build https://readthedocs.org/projects/vcrpy/builds/
 
diff --git a/docs/installation.rst b/docs/installation.rst
index a6a0789..5be94ab 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -35,7 +35,7 @@ rebuilding pyyaml.
 
 1. Test if pyyaml is built with libyaml. This should work::
 
-     python -c 'from yaml import CLoader'
+     python3 -c 'from yaml import CLoader'
 
 2. Install libyaml according to your Linux distribution, or using `Homebrew
    <http://mxcl.github.com/homebrew/>`__ on Mac::
@@ -61,7 +61,7 @@ is to simply delete your cassettes and re-record all of them. VCR.py
 also provides a migration script that attempts to upgrade your 0.x
 cassettes to the new 1.x format. To use it, run the following command::
 
-    python -m vcr.migration PATH
+    python3 -m vcr.migration PATH
 
 The PATH can be either a path to the directory with cassettes or the
 path to a single cassette.
diff --git a/runtests.sh b/runtests.sh
index f36f5cf..f219725 100755
--- a/runtests.sh
+++ b/runtests.sh
@@ -4,4 +4,4 @@
 # If you are getting an INVOCATION ERROR for this script then there is 
 # a good chance you are running on Windows.
 # You can and should use WSL for running tox on Windows when it calls bash scripts.
-REQUESTS_CA_BUNDLE=`python -m pytest_httpbin.certs` exec pytest "$@"
+REQUESTS_CA_BUNDLE=`python3 -m pytest_httpbin.certs` exec pytest "$@"
diff --git a/vcr/migration.py b/vcr/migration.py
index b72d78b..91f4af4 100644
--- a/vcr/migration.py
+++ b/vcr/migration.py
@@ -7,7 +7,7 @@ It merges and deletes the request obsolete keys (protocol, host, port, path)
 into new 'uri' key.
 Usage::
 
-    python -m vcr.migration PATH
+    python3 -m vcr.migration PATH
 
 The PATH can be path to the directory with cassettes or cassette itself
 """
@@ -138,7 +138,7 @@ def try_migrate(path):
 def main():
     if len(sys.argv) != 2:
         raise SystemExit(
-            "Please provide path to cassettes directory or file. " "Usage: python -m vcr.migration PATH"
+            "Please provide path to cassettes directory or file. " "Usage: python3 -m vcr.migration PATH"
         )
 
     path = sys.argv[1]