diff --git a/bear-requirements.txt b/bear-requirements.txt
index 2d720d269a..7cc8fcd961 100644
--- a/bear-requirements.txt
+++ b/bear-requirements.txt
@@ -18,7 +18,7 @@ isort~=4.2
 language-check~=1.0
 libclang-py3~=3.4.0
 lxml==3.6.0
-memento_client~=0.6.1
+memento-client~=0.6.1
 munkres3~=1.0
 mypy==0.590
 nbformat~=4.1
diff --git a/bear-requirements.yaml b/bear-requirements.yaml
index 0f09947cd4..ae9d7f9b3a 100644
--- a/bear-requirements.yaml
+++ b/bear-requirements.yaml
@@ -177,7 +177,7 @@ pip_requirements:
     version: ~=3.4.0
   lxml:
     version: ==3.6.0
-  memento_client:
+  memento-client:
     version: ~=0.6.1
   munkres3:
     version: ~=1.0
diff --git a/bears/general/MementoBear.py b/bears/general/MementoBear.py
index 5ea4d1a4fc..2c5fd3926d 100644
--- a/bears/general/MementoBear.py
+++ b/bears/general/MementoBear.py
@@ -14,7 +14,7 @@
 class MementoBear(LocalBear):
     DEFAULT_TIMEOUT = 15
     LANGUAGES = {'All'}
-    REQUIREMENTS = {PipRequirement('memento_client', '0.6.1')}
+    REQUIREMENTS = {PipRequirement('memento-client', '0.6.1')}
     AUTHORS = {'The coala developers'}
     AUTHORS_EMAILS = {'coala-devel@googlegroups.com'}
     LICENSE = 'AGPL-3.0'