diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 5ea7be0600..010dc6e0c1 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -6,6 +6,9 @@ build:
   os: ubuntu-22.04
   tools:
     python: "3.11"
+  jobs:
+    pre_build:
+      - python -m pip install -r https://gitlab.isc.org/isc-projects/bind9/-/raw/main/doc/arm/requirements.txt
 
 # Build documentation in doc/arm/ with Sphinx
 sphinx:
@@ -13,8 +16,3 @@ sphinx:
 
 # Build all formats
 formats: all
-
-# Explicitly set the version of Python and its requirements
-python:
-   install:
-   - requirements: doc/arm/requirements.txt
diff --git a/.reuse/dep5 b/.reuse/dep5
index 8508441955..afb28c298f 100644
--- a/.reuse/dep5
+++ b/.reuse/dep5
@@ -105,7 +105,6 @@ Files: **/*.after*
        doc/arm/*.dia
        doc/arm/*.png
        doc/arm/isc-logo.pdf
-       doc/arm/requirements.txt
        doc/man/*.1in
        doc/man/*.5in
        doc/man/*.8in
diff --git a/doc/arm/Makefile.am b/doc/arm/Makefile.am
index ec8adf4b10..9db991f4a0 100644
--- a/doc/arm/Makefile.am
+++ b/doc/arm/Makefile.am
@@ -52,7 +52,6 @@ EXTRA_DIST =					\
 	recursive-query.png			\
 	reference.rst				\
 	requirements.inc.rst			\
-	requirements.txt			\
 	resolver-forward.dia			\
 	resolver-forward.png			\
 	rpz.inc.rst				\
diff --git a/doc/arm/requirements.txt b/doc/arm/requirements.txt
deleted file mode 100644
index f8b0d65d55..0000000000
--- a/doc/arm/requirements.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-Sphinx==8.1.3
-docutils==0.21.2
-sphinx_rtd_theme==3.0.1