diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 206f842..a075ff9 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -40,9 +40,6 @@ repos:
       # Autoformat: Makes sure files end in a newline and only a newline.
       - id: end-of-file-fixer
 
-      # Autoformat: Sorts entries in requirements.txt.
-      - id: requirements-txt-fixer
-
       # Lint: Check for files with names that would conflict on a
       # case-insensitive filesystem like MacOS HFS+ or Windows FAT.
       - id: check-case-conflict
diff --git a/tljh/requirements-base.txt b/tljh/requirements-base.txt
index 34e3d7a..02df904 100644
--- a/tljh/requirements-base.txt
+++ b/tljh/requirements-base.txt
@@ -1,9 +1,10 @@
 # When tljh.installer runs, the users' environment as typically found in
 # /opt/tljh/user, is setup with these packages.
 #
-# FIXME: a frozen version of this file should be used
-# pinning only direct dependencies is a recipe for broken environments!
-
+# WARNING: The order of these dependencies matters, this was observed when using
+#          the requirements-txt-fixer pre-commit hook that sorted them and made
+#          our integration tests fail.
+#
 # JupyterHub + notebook package are base requirements for user environment
 jupyterhub==1.*
 notebook==6.*