diff --git a/buildchain/requirements.txt b/buildchain/requirements.txt
index a7774fe73f..d2f04716a1 100644
--- a/buildchain/requirements.txt
+++ b/buildchain/requirements.txt
@@ -4,17 +4,29 @@
 #
 #    tox -e pip-compile
 #
-certifi==2021.10.8        # via requests
-charset-normalizer==2.0.10  # via requests
-cloudpickle==2.0.0        # via doit
-docker==4.1.0             # via -r buildchain/requirements.in
-doit==0.34.0              # via -r buildchain/requirements.in
-idna==3.3                 # via requests
-pyyaml==5.3.1             # via -r buildchain/requirements.in
-requests==2.27.1          # via docker
-six==1.16.0               # via docker
-urllib3==1.26.8           # via requests
-websocket-client==1.2.3   # via docker
-# Note: these come from 'buildchain/platform-requirements.txt'
-macfsevents==0.8.1; sys_platform=="darwin"  # via doit
-pyinotify==0.9.6; sys_platform=="linux"     # via doit
+certifi==2021.10.8
+    # via requests
+charset-normalizer==2.0.10
+    # via requests
+cloudpickle==2.0.0
+    # via doit
+docker==4.1.0
+    # via -r requirements.in
+doit==0.34.0
+    # via -r requirements.in
+idna==3.7
+    # via requests
+pyinotify==0.9.6 ; sys_platform == "linux"
+    # via
+    #   -c platform-requirements.txt
+    #   doit
+pyyaml==5.3.1
+    # via -r requirements.in
+requests==2.27.1
+    # via docker
+six==1.16.0
+    # via docker
+urllib3==1.26.8
+    # via requests
+websocket-client==1.2.3
+    # via docker