diff --git a/installers/charm/grafana/tox.ini b/installers/charm/grafana/tox.ini
index d3e139d..ab5c86d 100644
--- a/installers/charm/grafana/tox.ini
+++ b/installers/charm/grafana/tox.ini
@@ -69,7 +69,7 @@
 [testenv:pylint]
 deps =  {[testenv]deps}
         -r{toxinidir}/requirements-test.txt
-        pylint
+        pylint==2.10.2
 commands =
     pylint -E src/ tests/
 
diff --git a/installers/charm/kafka-exporter/tox.ini b/installers/charm/kafka-exporter/tox.ini
index c341c8e..8e3318a 100644
--- a/installers/charm/kafka-exporter/tox.ini
+++ b/installers/charm/kafka-exporter/tox.ini
@@ -69,7 +69,7 @@
 [testenv:pylint]
 deps =  {[testenv]deps}
         -r{toxinidir}/requirements-test.txt
-        pylint
+        pylint==2.10.2
 commands =
     pylint -E src/ tests/
 
diff --git a/installers/charm/kafka/tox.ini b/installers/charm/kafka/tox.ini
index c341c8e..8e3318a 100644
--- a/installers/charm/kafka/tox.ini
+++ b/installers/charm/kafka/tox.ini
@@ -69,7 +69,7 @@
 [testenv:pylint]
 deps =  {[testenv]deps}
         -r{toxinidir}/requirements-test.txt
-        pylint
+        pylint==2.10.2
 commands =
     pylint -E src/ tests/
 
diff --git a/installers/charm/keystone/tox.ini b/installers/charm/keystone/tox.ini
index 6537616..a959d36 100644
--- a/installers/charm/keystone/tox.ini
+++ b/installers/charm/keystone/tox.ini
@@ -69,7 +69,7 @@
 [testenv:pylint]
 deps =  {[testenv]deps}
         -r{toxinidir}/requirements-test.txt
-        pylint
+        pylint==2.10.2
 commands =
     pylint -E src/ tests/
 
diff --git a/installers/charm/lcm/tox.ini b/installers/charm/lcm/tox.ini
index c341c8e..8e3318a 100644
--- a/installers/charm/lcm/tox.ini
+++ b/installers/charm/lcm/tox.ini
@@ -69,7 +69,7 @@
 [testenv:pylint]
 deps =  {[testenv]deps}
         -r{toxinidir}/requirements-test.txt
-        pylint
+        pylint==2.10.2
 commands =
     pylint -E src/ tests/
 
diff --git a/installers/charm/mon/tox.ini b/installers/charm/mon/tox.ini
index c341c8e..8e3318a 100644
--- a/installers/charm/mon/tox.ini
+++ b/installers/charm/mon/tox.ini
@@ -69,7 +69,7 @@
 [testenv:pylint]
 deps =  {[testenv]deps}
         -r{toxinidir}/requirements-test.txt
-        pylint
+        pylint==2.10.2
 commands =
     pylint -E src/ tests/
 
diff --git a/installers/charm/mongodb-exporter/tox.ini b/installers/charm/mongodb-exporter/tox.ini
index c341c8e..8e3318a 100644
--- a/installers/charm/mongodb-exporter/tox.ini
+++ b/installers/charm/mongodb-exporter/tox.ini
@@ -69,7 +69,7 @@
 [testenv:pylint]
 deps =  {[testenv]deps}
         -r{toxinidir}/requirements-test.txt
-        pylint
+        pylint==2.10.2
 commands =
     pylint -E src/ tests/
 
diff --git a/installers/charm/mysqld-exporter/tox.ini b/installers/charm/mysqld-exporter/tox.ini
index c341c8e..8e3318a 100644
--- a/installers/charm/mysqld-exporter/tox.ini
+++ b/installers/charm/mysqld-exporter/tox.ini
@@ -69,7 +69,7 @@
 [testenv:pylint]
 deps =  {[testenv]deps}
         -r{toxinidir}/requirements-test.txt
-        pylint
+        pylint==2.10.2
 commands =
     pylint -E src/ tests/
 
diff --git a/installers/charm/nbi/tox.ini b/installers/charm/nbi/tox.ini
index c341c8e..8e3318a 100644
--- a/installers/charm/nbi/tox.ini
+++ b/installers/charm/nbi/tox.ini
@@ -69,7 +69,7 @@
 [testenv:pylint]
 deps =  {[testenv]deps}
         -r{toxinidir}/requirements-test.txt
-        pylint
+        pylint==2.10.2
 commands =
     pylint -E src/ tests/
 
diff --git a/installers/charm/ng-ui/tox.ini b/installers/charm/ng-ui/tox.ini
index d3e139d..ab5c86d 100644
--- a/installers/charm/ng-ui/tox.ini
+++ b/installers/charm/ng-ui/tox.ini
@@ -69,7 +69,7 @@
 [testenv:pylint]
 deps =  {[testenv]deps}
         -r{toxinidir}/requirements-test.txt
-        pylint
+        pylint==2.10.2
 commands =
     pylint -E src/ tests/
 
diff --git a/installers/charm/pla/tox.ini b/installers/charm/pla/tox.ini
index c341c8e..8e3318a 100644
--- a/installers/charm/pla/tox.ini
+++ b/installers/charm/pla/tox.ini
@@ -69,7 +69,7 @@
 [testenv:pylint]
 deps =  {[testenv]deps}
         -r{toxinidir}/requirements-test.txt
-        pylint
+        pylint==2.10.2
 commands =
     pylint -E src/ tests/
 
diff --git a/installers/charm/pol/tox.ini b/installers/charm/pol/tox.ini
index c341c8e..8e3318a 100644
--- a/installers/charm/pol/tox.ini
+++ b/installers/charm/pol/tox.ini
@@ -69,7 +69,7 @@
 [testenv:pylint]
 deps =  {[testenv]deps}
         -r{toxinidir}/requirements-test.txt
-        pylint
+        pylint==2.10.2
 commands =
     pylint -E src/ tests/
 
diff --git a/installers/charm/prometheus/tox.ini b/installers/charm/prometheus/tox.ini
index c341c8e..8e3318a 100644
--- a/installers/charm/prometheus/tox.ini
+++ b/installers/charm/prometheus/tox.ini
@@ -69,7 +69,7 @@
 [testenv:pylint]
 deps =  {[testenv]deps}
         -r{toxinidir}/requirements-test.txt
-        pylint
+        pylint==2.10.2
 commands =
     pylint -E src/ tests/
 
diff --git a/installers/charm/ro/tox.ini b/installers/charm/ro/tox.ini
index c341c8e..8e3318a 100644
--- a/installers/charm/ro/tox.ini
+++ b/installers/charm/ro/tox.ini
@@ -69,7 +69,7 @@
 [testenv:pylint]
 deps =  {[testenv]deps}
         -r{toxinidir}/requirements-test.txt
-        pylint
+        pylint==2.10.2
 commands =
     pylint -E src/ tests/
 
diff --git a/installers/charm/zookeeper/tox.ini b/installers/charm/zookeeper/tox.ini
index c341c8e..8e3318a 100644
--- a/installers/charm/zookeeper/tox.ini
+++ b/installers/charm/zookeeper/tox.ini
@@ -69,7 +69,7 @@
 [testenv:pylint]
 deps =  {[testenv]deps}
         -r{toxinidir}/requirements-test.txt
-        pylint
+        pylint==2.10.2
 commands =
     pylint -E src/ tests/