diff --git a/package.json b/package.json
index 6278f42..ddd91bc 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,7 @@
     "@types/jest": "^25.2.1",
     "@types/node": "^13.13.4",
     "@types/papaparse": "^5.0.4",
-    "@types/ramda": "^0.27.4",
+    "@types/ramda": "0.27.40",
     "@typescript-eslint/eslint-plugin": "^2.26.0",
     "@typescript-eslint/parser": "^2.26.0",
     "commitizen": "^4.0.4",
diff --git a/yarn.lock b/yarn.lock
index a8ab7e4..a48cabb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1514,12 +1514,12 @@
   resolved "https://registry.yarnpkg.com/@types/prettier/-/prettier-1.19.1.tgz#33509849f8e679e4add158959fdb086440e9553f"
   integrity sha512-5qOlnZscTn4xxM5MeGXAMOsIOIKIbh9e85zJWfBRVPlRMEVawzoPhINYbRGkBZCI8LxvBe7tJCdWiarA99OZfQ==
 
-"@types/ramda@^0.27.4":
-  version "0.27.4"
-  resolved "https://registry.yarnpkg.com/@types/ramda/-/ramda-0.27.4.tgz#816002c95e54cf3f3d5d7e8e014998450934d992"
-  integrity sha512-uE1OSffeRZoFjVah2RjR4pAyptzqN6T+fEsWr06biuUstR2IBIzKhSGwKxzISAoy4SC+JkJv8y99Hm3cJ/TDOQ==
+"@types/ramda@0.27.40":
+  version "0.27.40"
+  resolved "https://registry.yarnpkg.com/@types/ramda/-/ramda-0.27.40.tgz#99f307356fe553095ee4d3c2af2b0eb3af7a8413"
+  integrity sha512-V99ZfTH2tqVYdLDAlgh2uT+N074HPgqnAsMjALKSBqogYd0HbuuGMqNukJ6fk9Ml/Htaus76fsc4Yh3p7q1VdQ==
   dependencies:
-    ts-toolbelt "^6.3.3"
+    ts-toolbelt "^6.15.1"
 
 "@types/resolve@0.0.8":
   version "0.0.8"
@@ -7791,10 +7791,10 @@ ts-jest@^25.4.0:
     semver "6.x"
     yargs-parser "18.x"
 
-ts-toolbelt@^6.3.3:
-  version "6.5.1"
-  resolved "https://registry.yarnpkg.com/ts-toolbelt/-/ts-toolbelt-6.5.1.tgz#1316b8c6522797c0bee289ca5deaa159af846231"
-  integrity sha512-zjnZ/vy1eUA0li3H0JXecl0R3jiP42snpLimsrppt9V3LLbM4NM4jMgjXQ4S67hvehq+r9CxpX4Wj6RnFRzReA==
+ts-toolbelt@^6.15.1:
+  version "6.15.5"
+  resolved "https://registry.yarnpkg.com/ts-toolbelt/-/ts-toolbelt-6.15.5.tgz#cb3b43ed725cb63644782c64fbcad7d8f28c0a83"
+  integrity sha512-FZIXf1ksVyLcfr7M317jbB67XFJhOO1YqdTcuGaq9q5jLUoTikukZ+98TPjKiP2jC5CgmYdWWYs0s2nLSU0/1A==
 
 tsdx@^0.13.2:
   version "0.13.2"