diff --git a/packages/docast-compiler-types/package.json b/packages/docast-compiler-types/package.json
index 34d6d47f..c8db33c1 100644
--- a/packages/docast-compiler-types/package.json
+++ b/packages/docast-compiler-types/package.json
@@ -62,7 +62,7 @@
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diff --git a/packages/docast-util-from-comments/package.json b/packages/docast-util-from-comments/package.json
index a18b71e6..99225af8 100644
--- a/packages/docast-util-from-comments/package.json
+++ b/packages/docast-util-from-comments/package.json
@@ -52,9 +52,9 @@
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diff --git a/packages/docast/package.json b/packages/docast/package.json
index a2921244..57a31daf 100644
--- a/packages/docast/package.json
+++ b/packages/docast/package.json
@@ -56,7 +56,7 @@
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diff --git a/yarn.lock b/yarn.lock
index 85c8ec2a..9f6858fc 100644
--- a/yarn.lock
+++ b/yarn.lock
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+  resolution: "@flex-development/docmark@npm:1.0.0-alpha.21"
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     "@flex-development/mark-util-character": "npm:1.1.0"
     "@flex-development/mark-util-chunked": "npm:1.0.0"
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