diff --git a/requirements-dev.txt b/requirements-dev.txt
index a66b38af..d80367c6 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -11,7 +11,7 @@ cfgv==1.1.0               # via pre-commit
 chardet==3.0.4            # via requests
 flake8==3.5.0
 identify==1.1.0           # via pre-commit
-idna==2.7                 # via requests
+idna==2.6                 # via requests
 invoke==1.0.0
 mccabe==0.6.1             # via flake8
 nodeenv==1.3.1
diff --git a/requirements-docs.txt b/requirements-docs.txt
index 9312142a..7c48d4d9 100644
--- a/requirements-docs.txt
+++ b/requirements-docs.txt
@@ -15,8 +15,8 @@ asyncpool==1.0
 babel==2.6.0              # via sphinx
 bcrypt==3.1.4
 blinker==1.4
-boto3==1.7.37
-botocore==1.10.37
+boto3==1.7.32
+botocore==1.10.32
 certifi==2018.4.16
 cffi==1.11.5
 click==6.7
diff --git a/requirements-tests.txt b/requirements-tests.txt
index ccfad67f..6f247b76 100644
--- a/requirements-tests.txt
+++ b/requirements-tests.txt
@@ -8,9 +8,9 @@ asn1crypto==0.24.0        # via cryptography
 atomicwrites==1.1.5       # via pytest
 attrs==18.1.0             # via pytest
 aws-xray-sdk==0.95        # via moto
-boto3==1.7.37             # via moto
+boto3==1.7.36             # via moto
 boto==2.48.0              # via moto
-botocore==1.10.37         # via boto3, moto, s3transfer
+botocore==1.10.36         # via boto3, moto, s3transfer
 certifi==2018.4.16        # via requests
 cffi==1.11.5              # via cryptography
 chardet==3.0.4            # via requests
diff --git a/requirements.txt b/requirements.txt
index d10c92ff..e7b7b20c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile --no-index --output-file requirements.txt requirements.in
 #
-acme==0.25.1
+acme==0.25.0
 alembic-autogenerate-enums==0.0.2
 alembic==0.9.9            # via flask-migrate
 aniso8601==3.0.0          # via flask-restful
@@ -13,8 +13,8 @@ asn1crypto==0.24.0        # via cryptography
 asyncpool==1.0
 bcrypt==3.1.4             # via flask-bcrypt, paramiko
 blinker==1.4              # via flask-mail, flask-principal, raven
-boto3==1.7.37
-botocore==1.10.37         # via boto3, s3transfer
+boto3==1.7.36
+botocore==1.10.36         # via boto3, s3transfer
 certifi==2018.4.16
 cffi==1.11.5              # via bcrypt, cryptography, pynacl
 click==6.7                # via flask