diff --git a/.github/workflows/end-to-end.yml b/.github/workflows/end-to-end.yml
index 11f317445..d694b3ac2 100644
--- a/.github/workflows/end-to-end.yml
+++ b/.github/workflows/end-to-end.yml
@@ -63,6 +63,7 @@ jobs:
         run: | 
           echo 'one' > README.Rmd
           echo 'one' >> codemeta.json
+          echo 'one' >> CITATION.cff
           echo 'one' > README.md
           echo "#' some code\n#'\n#' @param here.\n#' @name somethings\nNULL" > R/test.R # overwrite if anything there
           brew install pre-commit
diff --git a/.pre-commit-hooks.yaml b/.pre-commit-hooks.yaml
index 40d48d011..7e70e0043 100644
--- a/.pre-commit-hooks.yaml
+++ b/.pre-commit-hooks.yaml
@@ -113,3 +113,10 @@
     language: script
     minimum_pre_commit_version: "2.13.0"
     files: '^man/|_pkgdown\.yml'
+-   id: cff-description-updated
+    name: cff-description-updated
+    description: make sure `CITATION.cff` is in sync with `DESCRIPTION`. It should be run after use-tidy-description
+    entry: Rscript inst/hooks/exported/cff-description-updated.R
+    language: r
+    files: '^DESCRIPTION$'
+    minimum_pre_commit_version: "2.13.0"
diff --git a/inst/hooks/exported/cff-description-updated.R b/inst/hooks/exported/cff-description-updated.R
new file mode 100755
index 000000000..a1af611dd
--- /dev/null
+++ b/inst/hooks/exported/cff-description-updated.R
@@ -0,0 +1,32 @@
+#!/usr/bin/env Rscript
+
+"A hook to make sure DESCRIPTION hasn't been edited more recently than
+CITATION.cff.
+
+Usage:
+  cff-description-updated [--root=<root_>] <files>...
+
+Options:
+  --root=<root_>  Path relative to the git root that contains the R package
+                  root [default: .].
+
+" -> doc
+
+
+arguments <- docopt::docopt(doc)
+setwd(arguments$root)
+
+# adapted from https://github.com/lorenzwalthert/precommit/blob/d2dcd45f30b6c52469665c89cb7cba53e716a62a/inst/hooks/exported/codemeta-description-updated.R
+if (!file.exists("DESCRIPTION")) {
+  rlang::abort("No `DESCRIPTION` found in repository.")
+}
+
+if (!file.exists("CITATION.cff")) {
+  rlang::abort("No `CITATION.cff` found in repository.")
+}
+
+
+codemeta_outdated <- file.info("DESCRIPTION")$mtime > file.info("CITATION.cff")$mtime
+if (codemeta_outdated) {
+  rlang::abort("CITATION.cff is out of date; please re-run cffr::cff_write().")
+}
diff --git a/inst/pre-commit-config-pkg.yaml b/inst/pre-commit-config-pkg.yaml
index 4ecff80ff..7850793d4 100644
--- a/inst/pre-commit-config-pkg.yaml
+++ b/inst/pre-commit-config-pkg.yaml
@@ -8,7 +8,9 @@ repos:
         args: [--style_pkg=styler, --style_fun=tidyverse_style]    
     -   id: roxygenize
     # codemeta must be above use-tidy-description when both are used
+    # same for cff-description-updated
     # -   id: codemeta-description-updated
+    # -   id: cff-description-updated
     -   id: use-tidy-description
     -   id: spell-check
         exclude: >
diff --git a/inst/pre-commit-hooks.yaml b/inst/pre-commit-hooks.yaml
index 40d48d011..7e70e0043 100644
--- a/inst/pre-commit-hooks.yaml
+++ b/inst/pre-commit-hooks.yaml
@@ -113,3 +113,10 @@
     language: script
     minimum_pre_commit_version: "2.13.0"
     files: '^man/|_pkgdown\.yml'
+-   id: cff-description-updated
+    name: cff-description-updated
+    description: make sure `CITATION.cff` is in sync with `DESCRIPTION`. It should be run after use-tidy-description
+    entry: Rscript inst/hooks/exported/cff-description-updated.R
+    language: r
+    files: '^DESCRIPTION$'
+    minimum_pre_commit_version: "2.13.0"
diff --git a/tests/testthat/in/CITATION.cff b/tests/testthat/in/CITATION.cff
new file mode 100644
index 000000000..e69de29bb
diff --git a/tests/testthat/test-hooks.R b/tests/testthat/test-hooks.R
index ae167fc6f..c1d5da4a1 100644
--- a/tests/testthat/test-hooks.R
+++ b/tests/testthat/test-hooks.R
@@ -557,6 +557,94 @@ run_test("codemeta-description-update",
   }
 )
 
+### . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
+### codemeata                                                               ####
+run_test("cff-description-updated",
+  file_name = c("CITATION.cff"),
+  suffix = "",
+  std_err = "No `DESCRIPTION` found in repository.",
+  std_out = NULL,
+)
+
+run_test("cff-description-updated",
+  file_name = c("DESCRIPTION"),
+  suffix = "",
+  std_err = "No `CITATION.cff` found in repository.",
+  std_out = NULL,
+)
+
+# outdated
+run_test("cff-description-updated",
+  file_name = c("DESCRIPTION", "CITATION.cff"),
+  suffix = "",
+  std_err = "out of date",
+  std_out = NULL,
+  file_transformer = function(files) {
+    if (length(files) > 1) {
+      # transformer is called once on all files and once per file
+      content_2 <- readLines(files[1])
+      Sys.sleep(2)
+      writeLines(content_2, files[1])
+    }
+    files
+  }
+)
+
+# succeed
+run_test("cff-description-updated",
+  file_name = c("DESCRIPTION", "CITATION.cff"),
+  suffix = "",
+  file_transformer = function(files) {
+    if (length(files) > 1) {
+      # transformer is called once on all files and once per file
+      content_2 <- readLines(files[2])
+      Sys.sleep(2)
+      writeLines(content_2, files[2])
+    }
+    files
+  }
+)
+
+# succeed in correct root
+run_test("cff-description-updated",
+  file_name = c(
+    "rpkg/DESCRIPTION" = "DESCRIPTION",
+    "rpkg/CITATION.cff" = "CITATION.cff"
+  ),
+  cmd_args = "--root=rpkg",
+  suffix = "",
+  file_transformer = function(files) {
+    if (length(files) > 1) {
+      # transformer is called once on all files and once per file
+      content_2 <- readLines(files[2])
+      Sys.sleep(2)
+      writeLines(content_2, files[2])
+    }
+    files
+  }
+)
+
+# # fail in wrong root
+run_test("cff-description-updated",
+  file_name = c(
+    "rpkg/DESCRIPTION" = "DESCRIPTION",
+    "rpkg/CITATION.cff" = "CITATION.cff",
+    "rpkg2/CITATION.cff" = "README.md"
+  ),
+  cmd_args = "--root=rpkg2",
+  std_err = "No `DESCRIPTION` found in repository.",
+  suffix = "",
+  file_transformer = function(files) {
+    if (length(files) > 1) {
+      # transformer is called once on all files and once per file
+      content_2 <- readLines(files[2])
+      Sys.sleep(2)
+      writeLines(content_2, files[2])
+    }
+    files
+  }
+)
+
 ### . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
 ### pgkdown check                                                           ####
 
diff --git a/vignettes/available-hooks.Rmd b/vignettes/available-hooks.Rmd
index 818c77640..4b8cb8f5f 100644
--- a/vignettes/available-hooks.Rmd
+++ b/vignettes/available-hooks.Rmd
@@ -306,9 +306,7 @@ This hook does not modify any file.
 ## `codemeta-description-updated`
 
 Make sure `DESCRIPTION` hasn't been edited more recently than
-`codemeta.json`,
-
-i.e. remind you to run `codemetar::write_codemeta()` in order to keep
+`codemeta.json`, i.e. remind you to run `codemetar::write_codemeta()` in order to keep
 `codemeta.json` in sync with `DESCRIPTION`.
 
 This hook does not modify any file.
@@ -325,6 +323,24 @@ This hook does not modify any file.
     repos, the git and R package root coincide. Added in version
     0.3.3.00000.
 
+## `cff-description-updated`
+
+Make sure `DESCRIPTION` hasn't been edited more recently than
+`CITATION.cff`, i.e. remind you to run `cffr::cff_write()` in order to keep
+`CITATION.cff` in sync with `DESCRIPTION`.
+
+This hook does not modify any file.
+
+**Arguments**
+
+    id: cff-description-updated
+    args: [--root=<R package root>] 
+
+<!-- Add text about which version this was added after bumping version -->
+
+-   Argument `root` specifies the directory in the git repo that
+    contains the R package. Defaults to `.` since for most R package git
+    repos, the git and R package root coincide. Added in version 0.3.2.9004.
 
 ## `pkgdown`