diff --git a/yarn.lock b/yarn.lock
index 1bcf8553..01c179ff 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1594,11 +1594,11 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@postdfm/ast2dfm@^8.0.3, @postdfm/ast2dfm@workspace:packages/@postdfm/ast2dfm":
+"@postdfm/ast2dfm@^9.0.0, @postdfm/ast2dfm@workspace:packages/@postdfm/ast2dfm":
   version: 0.0.0-use.local
   resolution: "@postdfm/ast2dfm@workspace:packages/@postdfm/ast2dfm"
   dependencies:
-    "@postdfm/ast": ^8.0.3
+    "@postdfm/ast": ^9.0.0
     cross-env: ^7.0.3
     jest: ^27.5.1
     typedoc: ^0.24.8
@@ -1606,7 +1606,7 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@postdfm/ast@^8.0.3, @postdfm/ast@workspace:packages/@postdfm/ast":
+"@postdfm/ast@^9.0.0, @postdfm/ast@workspace:packages/@postdfm/ast":
   version: 0.0.0-use.local
   resolution: "@postdfm/ast@workspace:packages/@postdfm/ast"
   dependencies:
@@ -1617,11 +1617,11 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@postdfm/dfm2ast@^8.0.3, @postdfm/dfm2ast@workspace:packages/@postdfm/dfm2ast":
+"@postdfm/dfm2ast@^9.0.0, @postdfm/dfm2ast@workspace:packages/@postdfm/dfm2ast":
   version: 0.0.0-use.local
   resolution: "@postdfm/dfm2ast@workspace:packages/@postdfm/dfm2ast"
   dependencies:
-    "@postdfm/ast": ^8.0.3
+    "@postdfm/ast": ^9.0.0
     cross-env: ^7.0.3
     jest: ^27.5.1
     nearley: ^2.20.1
@@ -1631,12 +1631,12 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@postdfm/plugin@^8.0.3, @postdfm/plugin@workspace:packages/@postdfm/plugin":
+"@postdfm/plugin@^9.0.0, @postdfm/plugin@workspace:packages/@postdfm/plugin":
   version: 0.0.0-use.local
   resolution: "@postdfm/plugin@workspace:packages/@postdfm/plugin"
   dependencies:
     "@jest/globals": ^29.6.1
-    "@postdfm/ast": ^8.0.3
+    "@postdfm/ast": ^9.0.0
     cross-env: ^7.0.3
     jest: ^27.5.1
     tapable: ^2.2.1
@@ -1645,12 +1645,12 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@postdfm/transform@^8.0.3, @postdfm/transform@workspace:packages/@postdfm/transform":
+"@postdfm/transform@^9.0.0, @postdfm/transform@workspace:packages/@postdfm/transform":
   version: 0.0.0-use.local
   resolution: "@postdfm/transform@workspace:packages/@postdfm/transform"
   dependencies:
-    "@postdfm/ast": ^8.0.3
-    "@postdfm/plugin": ^8.0.3
+    "@postdfm/ast": ^9.0.0
+    "@postdfm/plugin": ^9.0.0
     cross-env: ^7.0.3
     jest: ^27.5.1
     typedoc: ^0.24.8
@@ -8194,10 +8194,10 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "postdfm@workspace:packages/postdfm"
   dependencies:
-    "@postdfm/ast2dfm": ^8.0.3
-    "@postdfm/dfm2ast": ^8.0.3
-    "@postdfm/plugin": ^8.0.3
-    "@postdfm/transform": ^8.0.3
+    "@postdfm/ast2dfm": ^9.0.0
+    "@postdfm/dfm2ast": ^9.0.0
+    "@postdfm/plugin": ^9.0.0
+    "@postdfm/transform": ^9.0.0
     cross-env: ^7.0.3
     jest: ^27.5.1
     typedoc: ^0.24.8