diff --git a/requirements-dev.txt b/requirements-dev.txt
index 71d1b8c9..d647716d 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -23,7 +23,7 @@ pyyaml==3.12              # via aspy.yaml, pre-commit
 requests-toolbelt==0.8.0  # via twine
 requests==2.18.4          # via requests-toolbelt, twine
 six==1.11.0               # via cfgv, pre-commit
-tqdm==4.19.8              # via twine
+tqdm==4.19.9              # via twine
 twine==1.11.0
 urllib3==1.22             # via requests
 virtualenv==15.2.0        # via pre-commit
diff --git a/requirements-tests.txt b/requirements-tests.txt
index eaa95c39..9f69d143 100644
--- a/requirements-tests.txt
+++ b/requirements-tests.txt
@@ -7,16 +7,16 @@
 asn1crypto==0.24.0        # via cryptography
 attrs==17.4.0             # via pytest
 aws-xray-sdk==0.95        # via moto
-boto3==1.6.16             # via moto
+boto3==1.6.18             # via moto
 boto==2.48.0              # via moto
-botocore==1.9.16          # via boto3, moto, s3transfer
+botocore==1.9.18          # via boto3, moto, s3transfer
 certifi==2018.1.18        # via requests
 cffi==1.11.5              # via cryptography
 chardet==3.0.4            # via requests
 click==6.7                # via flask
 cookies==2.2.1            # via moto
 coverage==4.5.1
-cryptography==2.2.1       # via moto
+cryptography==2.2.2       # via moto
 docker-pycreds==0.2.2     # via docker
 docker==3.1.4             # via moto
 docutils==0.14            # via botocore
@@ -35,7 +35,7 @@ mock==2.0.0               # via moto
 more-itertools==4.1.0     # via pytest
 moto==1.3.1
 nose==1.3.7
-pbr==3.1.1                # via mock
+pbr==4.0.0                # via mock
 pluggy==0.6.0             # via pytest
 py==1.5.3                 # via pytest
 pyaml==17.12.1            # via moto
diff --git a/requirements.txt b/requirements.txt
index 8aa11b17..473853de 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,11 +12,11 @@ arrow==0.12.1
 asn1crypto==0.24.0        # via cryptography
 bcrypt==3.1.4             # via flask-bcrypt, paramiko
 blinker==1.4              # via flask-mail, flask-principal, raven
-boto3==1.6.16
-botocore==1.9.16          # via boto3, s3transfer
+boto3==1.6.18
+botocore==1.9.18          # via boto3, s3transfer
 cffi==1.11.5              # via bcrypt, cryptography, pynacl
 click==6.7                # via flask
-cryptography==2.2.1
+cryptography==2.2.2
 docutils==0.14            # via botocore
 flask-bcrypt==0.7.1
 flask-mail==0.9.1
@@ -42,7 +42,7 @@ marshmallow==2.15.0
 mock==2.0.0               # via acme
 ndg-httpsclient==0.4.4
 paramiko==2.4.1
-pbr==3.1.1                # via mock
+pbr==4.0.0                # via mock
 pem==17.1.0
 psycopg2==2.7.4
 pyasn1-modules==0.2.1     # via python-ldap