diff --git a/requirements.txt b/requirements.txt
index 1eba90250..a1054f111 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -91,8 +91,6 @@ humanize==4.1.0
     # via -r requirements.in
 idna==3.3
     # via requests
-importlib-metadata==4.11.4
-    # via flask
 itsdangerous==2.1.2
     # via
     #   -r requirements.in
@@ -113,7 +111,7 @@ lml==0.1.0
     # via
     #   pyexcel
     #   pyexcel-io
-lxml==4.8.0
+lxml==4.9.1
     # via
     #   pyexcel-ezodf
     #   pyexcel-ods3
@@ -217,8 +215,6 @@ statsd==3.3.0
     # via notifications-utils
 texttable==1.6.4
     # via pyexcel
-typing-extensions==4.2.0
-    # via pypdf2
 urllib3==1.26.9
     # via
     #   botocore
@@ -240,8 +236,6 @@ xlrd==2.0.1
     # via pyexcel-xls
 xlwt==1.3.0
     # via pyexcel-xls
-zipp==3.8.0
-    # via importlib-metadata
 
 # The following packages are considered to be unsafe in a requirements file:
 # setuptools