diff --git a/ci_scripts/deprecated.txt b/ci_scripts/deprecated.txt
index 5bbd5ee11..80b02fa9e 100644
--- a/ci_scripts/deprecated.txt
+++ b/ci_scripts/deprecated.txt
@@ -13,6 +13,7 @@ argon2-cffi-bindings
 blake3
 charset-normalizer
 cmake
+crc32c
 fastar
 jiter
 kiwisolver
diff --git a/ci_scripts/packages.txt b/ci_scripts/packages.txt
index 2446328fb..a3f398275 100644
--- a/ci_scripts/packages.txt
+++ b/ci_scripts/packages.txt
@@ -86,7 +86,6 @@ contourpy
 convertbng
 correctionlib
 cramjam
-crc32c
 crcmod-plus
 crick
 cronexpr
diff --git a/docs/packages/crc32c.yaml b/docs/packages/crc32c.yaml
index 81501afe6..491aea0c8 100644
--- a/docs/packages/crc32c.yaml
+++ b/docs/packages/crc32c.yaml
@@ -1,3 +1,4 @@
+deprecated:
 package-name: crc32c
 source-code: https://github.com/ICRAR/crc32c
 license: 'LGPL-2.1-or-later, Third Party: MIT, BSD 3-Clause License'