diff --git a/pip_version b/pip_version
index 7d280e2c..c4928258 100644
--- a/pip_version
+++ b/pip_version
@@ -1 +1 @@
-3.5.5
+3.5.6
diff --git a/requirements.txt b/requirements.txt
index beb4f05c..cdbf7eee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-click>=8
+click==8.1.8
 rich-click==1.7.4
 pyserial
 cachetools
diff --git a/version b/version
index 7d280e2c..c4928258 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-3.5.5
+3.5.6
diff --git a/win_version b/win_version
index 85889ba6..67dee5ee 100644
--- a/win_version
+++ b/win_version
@@ -1 +1 @@
-3.5.5.0
+3.5.6.0