pin versions for readthedocs

diff --git a/.readthedocs.yml b/.readthedocs.yml
index 8bca46cc173f5e2c26bc8cafbf79aca348dd5506..43ef1bc82c990b838aef6b2146b7e5b9f4a9a03e 100644 (file)
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -10,6 +10,7 @@ python:
   install:
     - method: pip
       path: .
+      requirements: doc/requirements.txt
       extra_requirements:
         - dnssec
         - idna

diff --git a/doc/requirements.txt b/doc/requirements.txt
new file mode 100644 (file)
index 0000000..9d1272d
--- /dev/null
+++ b/doc/requirements.txt
@@ -0,0 +1,3 @@
+sphinx==4.2.0
+sphinx_rtd_theme==1.0.0
+readthedocs-sphinx-search==0.1.1