diff --git a/lemur/certificates/schemas.py b/lemur/certificates/schemas.py
index 25fc2c46..78217de0 100644
--- a/lemur/certificates/schemas.py
+++ b/lemur/certificates/schemas.py
@@ -97,6 +97,9 @@ class CertificateInputSchema(CertificateCreationSchema):
 
     @validates_schema
     def validate_authority(self, data):
+        if isinstance(data['authority'], str):
+            raise ValidationError("Authority not found.")
+
         if not data['authority'].active:
             raise ValidationError("The authority is inactive.", ['authority'])
 
diff --git a/lemur/plugins/lemur_acme/plugin.py b/lemur/plugins/lemur_acme/plugin.py
index 66295ed2..59cde380 100644
--- a/lemur/plugins/lemur_acme/plugin.py
+++ b/lemur/plugins/lemur_acme/plugin.py
@@ -459,7 +459,10 @@ class ACMEIssuerPlugin(IssuerPlugin):
                     "pending_cert": entry["pending_cert"],
                 })
             except (PollError, AcmeError, Exception) as e:
-                current_app.logger.error("Unable to resolve pending cert: {}".format(pending_cert), exc_info=True)
+                order_url = order.uri
+                current_app.logger.error(
+                    "Unable to resolve pending cert: {}. "
+                    "Check out {} for more information.".format(pending_cert, order_url), exc_info=True)
                 certs.append({
                     "cert": False,
                     "pending_cert": entry["pending_cert"],
diff --git a/requirements-docs.txt b/requirements-docs.txt
index cf11f7c5..e99c9cdc 100644
--- a/requirements-docs.txt
+++ b/requirements-docs.txt
@@ -17,9 +17,9 @@ babel==2.6.0              # via sphinx
 bcrypt==3.1.6
 billiard==3.5.0.5
 blinker==1.4
-boto3==1.9.116
-botocore==1.12.116
-celery[redis]==4.2.1
+boto3==1.9.120
+botocore==1.12.120
+celery[redis]==4.2.2
 certifi==2019.3.9
 certsrv==2.1.1
 cffi==1.12.2
@@ -53,7 +53,7 @@ josepy==1.1.0
 jsonlines==1.2.0
 kombu==4.3.0
 lockfile==0.12.2
-mako==1.0.7
+mako==1.0.8
 markupsafe==1.1.1
 marshmallow-sqlalchemy==0.16.1
 marshmallow==2.19.1
@@ -62,7 +62,7 @@ ndg-httpsclient==0.5.1
 packaging==19.0           # via sphinx
 paramiko==2.4.2
 pbr==5.1.3
-pem==18.2.0
+pem==19.1.0
 psycopg2==2.7.7
 pyasn1-modules==0.2.4
 pyasn1==0.4.5
@@ -93,6 +93,6 @@ sqlalchemy-utils==0.33.11
 sqlalchemy==1.3.1
 tabulate==0.8.3
 urllib3==1.24.1
-vine==1.2.0
-werkzeug==0.14.1
+vine==1.3.0
+werkzeug==0.15.1
 xmltodict==0.12.0
diff --git a/requirements-tests.txt b/requirements-tests.txt
index da3b4482..ed48cfdd 100644
--- a/requirements-tests.txt
+++ b/requirements-tests.txt
@@ -8,9 +8,9 @@ asn1crypto==0.24.0        # via cryptography
 atomicwrites==1.3.0       # via pytest
 attrs==19.1.0             # via pytest
 aws-xray-sdk==0.95        # via moto
-boto3==1.9.116            # via moto
+boto3==1.9.120            # via moto
 boto==2.49.0              # via moto
-botocore==1.12.116        # via boto3, moto, s3transfer
+botocore==1.12.120        # via boto3, moto, s3transfer
 certifi==2019.3.9         # via requests
 cffi==1.12.2              # via cryptography
 chardet==3.0.4            # via requests
@@ -18,7 +18,7 @@ click==7.0                # via flask
 coverage==4.5.3
 cryptography==2.6.1       # via moto
 docker-pycreds==0.4.0     # via docker
-docker==3.7.0             # via moto
+docker==3.7.1             # via moto
 docutils==0.14            # via botocore
 ecdsa==0.13               # via python-jose
 factory-boy==2.11.1
@@ -42,10 +42,10 @@ pluggy==0.9.0             # via pytest
 py==1.8.0                 # via pytest
 pyaml==18.11.0            # via moto
 pycparser==2.19           # via cffi
-pycryptodome==3.7.3       # via python-jose
+pycryptodome==3.8.0       # via python-jose
 pyflakes==2.1.1
 pytest-flask==0.14.0
-pytest-mock==1.10.1
+pytest-mock==1.10.2
 pytest==4.3.1
 python-dateutil==2.8.0    # via botocore, faker, freezegun, moto
 python-jose==2.0.2        # via moto
@@ -58,7 +58,7 @@ s3transfer==0.2.0         # via boto3
 six==1.12.0               # via cryptography, docker, docker-pycreds, faker, freezegun, mock, moto, pytest, python-dateutil, python-jose, requests-mock, responses, websocket-client
 text-unidecode==1.2       # via faker
 urllib3==1.24.1           # via botocore, requests
-websocket-client==0.55.0  # via docker
-werkzeug==0.14.1          # via flask, moto, pytest-flask
+websocket-client==0.56.0  # via docker
+werkzeug==0.15.1          # via flask, moto, pytest-flask
 wrapt==1.11.1             # via aws-xray-sdk
 xmltodict==0.12.0         # via moto
diff --git a/requirements.txt b/requirements.txt
index 3fbd093b..c0e69fb4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,9 +15,9 @@ asyncpool==1.0
 bcrypt==3.1.6             # via flask-bcrypt, paramiko
 billiard==3.5.0.5         # via celery
 blinker==1.4              # via flask-mail, flask-principal, raven
-boto3==1.9.116
-botocore==1.12.116
-celery[redis]==4.2.1
+boto3==1.9.120
+botocore==1.12.120
+celery[redis]==4.2.2
 certifi==2019.3.9
 certsrv==2.1.1
 cffi==1.12.2              # via bcrypt, cryptography, pynacl
@@ -50,7 +50,7 @@ josepy==1.1.0             # via acme
 jsonlines==1.2.0          # via cloudflare
 kombu==4.3.0
 lockfile==0.12.2
-mako==1.0.7               # via alembic
+mako==1.0.8               # via alembic
 markupsafe==1.1.1         # via jinja2, mako
 marshmallow-sqlalchemy==0.16.1
 marshmallow==2.19.1
@@ -58,7 +58,7 @@ mock==2.0.0               # via acme
 ndg-httpsclient==0.5.1
 paramiko==2.4.2
 pbr==5.1.3                # via mock
-pem==18.2.0
+pem==19.1.0
 psycopg2==2.7.7
 pyasn1-modules==0.2.4     # via python-ldap
 pyasn1==0.4.5             # via ndg-httpsclient, paramiko, pyasn1-modules, python-ldap
@@ -83,6 +83,6 @@ sqlalchemy-utils==0.33.11
 sqlalchemy==1.3.1         # via alembic, flask-sqlalchemy, marshmallow-sqlalchemy, sqlalchemy-utils
 tabulate==0.8.3
 urllib3==1.24.1           # via botocore, requests
-vine==1.2.0               # via amqp
-werkzeug==0.14.1          # via flask
+vine==1.3.0               # via amqp
+werkzeug==0.15.1          # via flask
 xmltodict==0.12.0