diff --git a/.github/actions/spell-check/excludes.txt b/.github/actions/spell-check/excludes.txt
index b6bd8fdb0733..f4a045abc805 100644
--- a/.github/actions/spell-check/excludes.txt
+++ b/.github/actions/spell-check/excludes.txt
@@ -92,6 +92,7 @@ SUMS$
 \.yml$
 \.zip$
 ^codedocs/doxygen\.conf$
+^docs/depfile.py$
 ^docs/http-api/tsigkey\.rst$
 ^docs/lua-records/reference/index\.rst$
 ^modules/remotebackend/example\.rb$
diff --git a/.github/actions/spell-check/expect.txt b/.github/actions/spell-check/expect.txt
index 838f4ef91357..2075d15276c2 100644
--- a/.github/actions/spell-check/expect.txt
+++ b/.github/actions/spell-check/expect.txt
@@ -284,6 +284,7 @@ defpol
 defttl
 Dehaine
 DENIC
+depfile
 descclassname
 descname
 Dessel