diff --git a/requirements/common.in b/requirements/common.in
index d7d13ebf93..4611166afe 100644
--- a/requirements/common.in
+++ b/requirements/common.in
@@ -46,7 +46,7 @@ chardet==3.0.4
 
 # Pinned version because older versions don't compile on newer Linux.
 # Not actually a direct dependency.
-cryptography==2.4.1
+cryptography==2.4.2
 
 # Needed for integrations
 defusedxml==0.5.0
diff --git a/requirements/dev.txt b/requirements/dev.txt
index a21678011b..7e8e99ca2e 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -41,7 +41,7 @@ commonmark==0.5.4
 constantly==15.1.0        # via twisted
 cookies==2.2.1            # via moto
 coverage==4.5.2
-cryptography==2.4.1
+cryptography==2.4.2
 cssselect==1.0.3          # via parsel, premailer, scrapy
 cssutils==1.0.2           # via premailer
 decorator==4.3.0          # via ipython, traitlets
diff --git a/requirements/prod.txt b/requirements/prod.txt
index 4ac01f6c3e..0cda6bebe1 100644
--- a/requirements/prod.txt
+++ b/requirements/prod.txt
@@ -29,7 +29,7 @@ cchardet==2.1.4
 certifi==2018.11.29
 cffi==1.11.5
 chardet==3.0.4
-cryptography==2.4.1
+cryptography==2.4.2
 cssselect==1.0.3          # via premailer
 cssutils==1.0.2           # via premailer
 decorator==4.3.0          # via ipython, traitlets