diff --git a/package.json b/package.json
index 239c953..ba19cc5 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "gatsby-plugin-preact": "^5.7.1",
     "gatsby-plugin-react-helmet": "^4.7.1",
     "gatsby-plugin-remove-serviceworker": "^1.0.0",
-    "gatsby-plugin-robots-txt": "^1.6.2",
+    "gatsby-plugin-robots-txt": "1.5.6",
     "gatsby-plugin-sharp": "^3.7.1",
     "gatsby-plugin-sitemap": "^4.3.1",
     "gatsby-plugin-typography": "^3.7.1",
diff --git a/yarn.lock b/yarn.lock
index 791514c..161468c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9494,10 +9494,10 @@ gatsby-plugin-remove-serviceworker@^1.0.0:
   resolved "https://registry.yarnpkg.com/gatsby-plugin-remove-serviceworker/-/gatsby-plugin-remove-serviceworker-1.0.0.tgz#9fb433bc8bd766e14e1d3711c4ac6f051e1dff7c"
   integrity sha1-n7QzvIvXZuFOHTcRxKxvBR4d/3w=
 
-gatsby-plugin-robots-txt@^1.6.2:
-  version "1.6.2"
-  resolved "https://registry.yarnpkg.com/gatsby-plugin-robots-txt/-/gatsby-plugin-robots-txt-1.6.2.tgz#b120b0a452f77e5ba2724e99425b90504dbc44b7"
-  integrity sha512-TqLCnxldq7goBMrvtzTDWQAcjPUr/CpOUJe7K0NyLfDmP/xb+Ius03SvAdJRm33fyJr+YNjknSspPK7q9OvQYA==
+gatsby-plugin-robots-txt@1.5.6:
+  version "1.5.6"
+  resolved "https://registry.yarnpkg.com/gatsby-plugin-robots-txt/-/gatsby-plugin-robots-txt-1.5.6.tgz#5a0d7ac47240ad538d988615a8a8ec648a6b641f"
+  integrity sha512-AxHbrw8WaYOxyu++LPIratjlNgBuu2qb5j3F+Ht+ooD/azutL+BAPbuYexz9CMPqTy1h/kiBxZsojbGLbWpvgA==
   dependencies:
     "@babel/runtime" "^7.11.2"
     generate-robotstxt "^8.0.3"