diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9fe4b5d011..47cfa53109 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,9 @@ A more detailed list of changes is available in the corresponding milestones for
 
 
 ## 0.12.0a6 (2024-Apr-04)
+### Release notes
+  - Temporarily pin **glyphsets** dependency to **v0.6.14** to workaround API breaking change. (https://github.com/googlefonts/glyphsets/commit/bfd0bb637)
+
 ### Changes to existing checks
 #### On the Google Fonts profile
   - **EXPERIMENTAL [com.google.fonts/check/varfont/instances_in_order]:** Fix an ERROR caused by a list IndexError (issue #4626)
diff --git a/pyproject.toml b/pyproject.toml
index 819a070400..727b3f80d1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -80,7 +80,8 @@ googlefontsalwayslatest = [
 	"axisregistry >= 0.4.9, == 0.4.*",
 	"gflanguages >= 0.5.17, == 0.5.*",
 	"gfsubsets >= 2024.2.5",
-	"glyphsets >= 0.6.14, == 0.6.*",
+	"glyphsets == 0.6.14",  #  "glyphsets >= 0.6.14, == 0.6.*",
+    # (see https://github.com/googlefonts/glyphsets/commit/bfd0bb637)
 	"shaperglot >= 0.5.0, == 0.5.*",
 ]