diff --git a/pkgs/servers/nosql/cassandra/2.1.nix b/pkgs/servers/nosql/cassandra/2.1.nix
index fd3b2d3aa286..d73e242a9422 100644
--- a/pkgs/servers/nosql/cassandra/2.1.nix
+++ b/pkgs/servers/nosql/cassandra/2.1.nix
@@ -1,6 +1,6 @@
 { callPackage, ... } @ args:
 
 callPackage ./generic.nix (args // {
-  version = "2.1.19";
-  sha256 = "1qlc62j3hf5831yrrbydn3z19zrn6bpirarinys6bmhshr7mhpyr";
+  version = "2.1.20";
+  sha256 = "0ik7a4jg3s3xnyrj1sa0rvbh066fv1y2202l7cv6nbca72pgyl6a";
 })
diff --git a/pkgs/servers/nosql/cassandra/2.2.nix b/pkgs/servers/nosql/cassandra/2.2.nix
index 3d276128c00d..88c361e6a91f 100644
--- a/pkgs/servers/nosql/cassandra/2.2.nix
+++ b/pkgs/servers/nosql/cassandra/2.2.nix
@@ -1,6 +1,6 @@
 { callPackage, ... } @ args:
 
 callPackage ./generic.nix (args // {
-  version = "2.2.11";
-  sha256 = "0r39mm5ibdn9dqv11n4x33vcb5247r6fl6r07l6frqp6i36ilvl6";
+  version = "2.2.13";
+  sha256 = "19jryhjkh5jsgp6jlz2v28vwm5dks8i7mshsv3s2fpnl6147paaq";
 })
diff --git a/pkgs/servers/nosql/cassandra/3.0.nix b/pkgs/servers/nosql/cassandra/3.0.nix
index b6621ec95485..a1aad75ce3f6 100644
--- a/pkgs/servers/nosql/cassandra/3.0.nix
+++ b/pkgs/servers/nosql/cassandra/3.0.nix
@@ -1,6 +1,6 @@
 { callPackage, ... } @ args:
 
 callPackage ./generic.nix (args // {
-  version = "3.0.15";
-  sha256 = "1n92wpp5gm41r4agjwjw9ymnnn114pmaqf04c1dx3fksk100wd5g";
+  version = "3.0.17";
+  sha256 = "0568r5xdy78pl29zby5g4m9qngf29cb9222sc1q1wisapb7zkl2p";
 })
diff --git a/pkgs/servers/nosql/cassandra/3.11.nix b/pkgs/servers/nosql/cassandra/3.11.nix
index f18b6256d3f0..5ca268166e03 100644
--- a/pkgs/servers/nosql/cassandra/3.11.nix
+++ b/pkgs/servers/nosql/cassandra/3.11.nix
@@ -1,6 +1,6 @@
 { callPackage, ... } @ args:
 
 callPackage ./generic.nix (args // {
-  version = "3.11.2";
-  sha256 = "0867i3irsji3qkjpp2s171xmjf2r8yhwzhs24ka8hljxv457f8p9";
+  version = "3.11.3";
+  sha256 = "1fp2sm8v7dpp7iym39c7dh1fmi25x462amgzizl93c21rdq0cbnq";
 })