diff --git a/src/main/python/allocate_ip_range/requirements.txt b/src/main/python/allocate_ip_range/requirements.txt
index 8abd098..8024749 100644
--- a/src/main/python/allocate_ip_range/requirements.txt
+++ b/src/main/python/allocate_ip_range/requirements.txt
@@ -1 +1 @@
-requests==2.3.2
\ No newline at end of file
+requests==2.21.0
\ No newline at end of file
diff --git a/src/main/python/deallocate_ip/requirements.txt b/src/main/python/deallocate_ip/requirements.txt
index 8abd098..8024749 100644
--- a/src/main/python/deallocate_ip/requirements.txt
+++ b/src/main/python/deallocate_ip/requirements.txt
@@ -1 +1 @@
-requests==2.3.2
\ No newline at end of file
+requests==2.21.0
\ No newline at end of file
diff --git a/src/main/python/deallocate_ip_range/requirements.txt b/src/main/python/deallocate_ip_range/requirements.txt
index 8abd098..8024749 100644
--- a/src/main/python/deallocate_ip_range/requirements.txt
+++ b/src/main/python/deallocate_ip_range/requirements.txt
@@ -1 +1 @@
-requests==2.3.2
\ No newline at end of file
+requests==2.21.0
\ No newline at end of file
diff --git a/src/main/python/get_ip_blocks/requirements.txt b/src/main/python/get_ip_blocks/requirements.txt
index 8abd098..8024749 100644
--- a/src/main/python/get_ip_blocks/requirements.txt
+++ b/src/main/python/get_ip_blocks/requirements.txt
@@ -1 +1 @@
-requests==2.3.2
\ No newline at end of file
+requests==2.21.0
\ No newline at end of file
diff --git a/src/main/python/get_ip_ranges/requirements.txt b/src/main/python/get_ip_ranges/requirements.txt
index 57a4a5e..c217149 100644
--- a/src/main/python/get_ip_ranges/requirements.txt
+++ b/src/main/python/get_ip_ranges/requirements.txt
@@ -1,2 +1,2 @@
-requests==2.3.2
+requests==2.21.0
 ipaddress
\ No newline at end of file
diff --git a/src/main/python/validate_endpoint/requirements.txt b/src/main/python/validate_endpoint/requirements.txt
index c806ca8..2cd7f4d 100644
--- a/src/main/python/validate_endpoint/requirements.txt
+++ b/src/main/python/validate_endpoint/requirements.txt
@@ -1,6 +1,6 @@
 # User libs go here
 #
-requests==2.3.2
+requests==2.21.0
 #
 # ----------------- #
 #