diff --git a/requirements/build.txt b/requirements/build.txt
index a550bb61afba899a8ff4aca59123d3e53c9f5910..af2fa513c8b486919e6603de6bac8cd10306689c 100644
--- a/requirements/build.txt
+++ b/requirements/build.txt
@@ -39,12 +39,10 @@ packaging==20.9
 pbr==3.1.1
     # via -r requirements/build.in
 pep517==0.9.1
-    # via
-    #   build
-    #   pip-tools
-pip-licenses==3.3.1
+    # via build
+pip-licenses==3.3.0
     # via -r requirements/build.in
-pip-tools==6.0.1
+pip-tools==5.5.0
     # via -r requirements/build.in
 pipenv==2020.11.15
     # via -r requirements/build.in
@@ -72,7 +70,7 @@ pyyaml==5.4.1
     #   pyaml
 requests==2.25.1
     # via pytoolbox
-six==1.15.0
+six==1.13.0
     # via
     #   -r requirements/build.in
     #   virtualenv
@@ -88,7 +86,7 @@ venv-run==0.1.0
     # via -r requirements/build.in
 virtualenv-clone==0.5.4
     # via pipenv
-virtualenv==20.4.3
+virtualenv==20.4.2
     # via
     #   -r requirements/build.in
     #   pipenv
diff --git a/requirements/dev.txt b/requirements/dev.txt
index 0c5be6a1956fc0d2ae36df6dd3fd03a3e0517e4e..40c31f2665ef4fb5957be1bea935350682ec80a5 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -203,17 +203,15 @@ pbr==3.1.1
     #   flask-whooshalchemy3
     #   sphinxcontrib-gravizo
 pep517==0.9.1
-    # via
-    #   build
-    #   pip-tools
+    # via build
 pillow==8.2.0
     # via
     #   -r requirements/dev.in
     #   matplotlib
     #   visdom
-pip-licenses==3.3.1
+pip-licenses==3.3.0
     # via -r requirements/build.in
-pip-tools==6.0.1
+pip-tools==5.5.0
     # via -r requirements/build.in
 pipenv==2020.11.15
     # via -r requirements/build.in
@@ -337,7 +335,7 @@ semver==2.13.0
     # via flask-pluginkit
 simplejson==3.17.2
     # via pyecharts
-six==1.15.0
+six==1.13.0
     # via
     #   -r requirements/build.in
     #   click-repl
@@ -424,7 +422,7 @@ vine==5.0.0
     #   celery
 virtualenv-clone==0.5.4
     # via pipenv
-virtualenv==20.4.3
+virtualenv==20.4.2
     # via
     #   -r requirements/build.in
     #   pipenv