diff --git a/pa/genetic_algorithm/R1/requirements.txt b/pa/genetic_algorithm/R1/requirements.txt
index f826ca6..d84fc99 100644
--- a/pa/genetic_algorithm/R1/requirements.txt
+++ b/pa/genetic_algorithm/R1/requirements.txt
@@ -14,7 +14,7 @@ pipreqs==0.4.9
 pymongo==3.7.1
 pytz==2018.5
 PyYAML==3.13
-requests==2.19.1
+requests==2.20.0
 six==1.11.0
 urllib3==1.23
 uuid==1.30
diff --git a/pa/genetic_algorithm/R2/requirements.txt b/pa/genetic_algorithm/R2/requirements.txt
index c700c50..42df9ad 100644
--- a/pa/genetic_algorithm/R2/requirements.txt
+++ b/pa/genetic_algorithm/R2/requirements.txt
@@ -16,7 +16,7 @@ pipreqs==0.4.9
 pymongo==3.7.1
 pytz==2018.5
 PyYAML==3.13
-requests==2.19.1
+requests==2.20.0
 six==1.11.0
 urllib3==1.23
 uuid==1.30
diff --git a/pa/genetic_algorithm/requirements.txt b/pa/genetic_algorithm/requirements.txt
index f826ca6..d84fc99 100644
--- a/pa/genetic_algorithm/requirements.txt
+++ b/pa/genetic_algorithm/requirements.txt
@@ -14,7 +14,7 @@ pipreqs==0.4.9
 pymongo==3.7.1
 pytz==2018.5
 PyYAML==3.13
-requests==2.19.1
+requests==2.20.0
 six==1.11.0
 urllib3==1.23
 uuid==1.30