diff --git a/requirements.txt b/requirements.txt
index b479413..6ad6252 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ attrs==19.3.0
 bcrypt==3.1.7
 cachetools==4.1.1
 certifi==2020.4.5.1
-cffi==1.14.0
+cffi==1.15.0
 chardet==3.0.4
 click==7.1.2
 dnspython==1.16.0
@@ -24,18 +24,18 @@ graphql-relay==2.0.1
 gunicorn==20.0.4
 h11==0.9.0
 httplib2==0.18.1
-httptools==0.1.1
+httptools==0.1.2
 idna==2.9
 itsdangerous==1.1.0
 Jinja2==2.11.2
 MarkupSafe==1.1.1
 more-itertools==8.4.0
-numpy==1.19.0
+numpy==1.21.3
 oauth2client==4.1.3
 oauthlib==3.1.0
-orjson==3.0.2
+orjson==3.6.4
 packaging==20.4
-pandas==1.0.5
+pandas==1.3.4
 passlib==1.7.2
 pluggy==0.13.1
 promise==2.3
@@ -65,8 +65,7 @@ ujson==3.0.0
 Unidecode==1.1.1
 uritemplate==3.0.1
 urllib3==1.25.9
-#uvicorn-0.12.1 version recommended by Github, but build fails in Heroku
 uvicorn==0.11.5
-uvloop==0.14.0
+uvloop==0.16.0
 wcwidth==0.2.5
 websockets==8.1