diff --git a/packages/datagateway-dataview/package.json b/packages/datagateway-dataview/package.json
index db2963159..11ca6e609 100644
--- a/packages/datagateway-dataview/package.json
+++ b/packages/datagateway-dataview/package.json
@@ -31,7 +31,7 @@
     "i18next": "22.0.3",
     "i18next-browser-languagedetector": "7.2.0",
     "i18next-http-backend": "2.4.2",
-    "jsrsasign": "11.0.0",
+    "jsrsasign": "11.1.0",
     "lodash.debounce": "4.0.8",
     "lodash.memoize": "4.1.2",
     "loglevel": "1.9.1",
diff --git a/packages/datagateway-download/package.json b/packages/datagateway-download/package.json
index 27fab952d..1800e19ac 100644
--- a/packages/datagateway-download/package.json
+++ b/packages/datagateway-download/package.json
@@ -27,7 +27,7 @@
     "i18next": "22.0.3",
     "i18next-browser-languagedetector": "7.2.0",
     "i18next-http-backend": "2.4.2",
-    "jsrsasign": "11.0.0",
+    "jsrsasign": "11.1.0",
     "lodash.chunk": "4.2.0",
     "loglevel": "1.9.1",
     "p-limit": "3.1.0",
diff --git a/packages/datagateway-search/package.json b/packages/datagateway-search/package.json
index fedacadf4..06f355aeb 100644
--- a/packages/datagateway-search/package.json
+++ b/packages/datagateway-search/package.json
@@ -32,7 +32,7 @@
     "i18next": "22.0.3",
     "i18next-browser-languagedetector": "7.2.0",
     "i18next-http-backend": "2.4.2",
-    "jsrsasign": "11.0.0",
+    "jsrsasign": "11.1.0",
     "lodash.isequal": "4.5.0",
     "loglevel": "1.9.1",
     "prettier": "2.8.0",
diff --git a/yarn.lock b/yarn.lock
index ff8969d6c..784ef1715 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6380,7 +6380,7 @@ __metadata:
     i18next-browser-languagedetector: 7.2.0
     i18next-http-backend: 2.4.2
     jest-fail-on-console: 3.1.1
-    jsrsasign: 11.0.0
+    jsrsasign: 11.1.0
     lint-staged: 13.3.0
     lodash.debounce: 4.0.8
     lodash.memoize: 4.1.2
@@ -6449,7 +6449,7 @@ __metadata:
     i18next-browser-languagedetector: 7.2.0
     i18next-http-backend: 2.4.2
     jest-fail-on-console: 3.1.1
-    jsrsasign: 11.0.0
+    jsrsasign: 11.1.0
     lint-staged: 13.3.0
     lodash.chunk: 4.2.0
     loglevel: 1.9.1
@@ -6520,7 +6520,7 @@ __metadata:
     i18next-browser-languagedetector: 7.2.0
     i18next-http-backend: 2.4.2
     jest-fail-on-console: 3.1.1
-    jsrsasign: 11.0.0
+    jsrsasign: 11.1.0
     lint-staged: 13.3.0
     lodash.isequal: 4.5.0
     loglevel: 1.9.1
@@ -10599,10 +10599,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"jsrsasign@npm:11.0.0":
-  version: 11.0.0
-  resolution: "jsrsasign@npm:11.0.0"
-  checksum: 9bbcbb9d2609e279fb015eec259490053be0afd9a6a98743ce0bf42f825e8415b377bfb1aef1d988d3d9ece0bce34bec5bc64f71e99406d0743c37cbbb2f89a5
+"jsrsasign@npm:11.1.0":
+  version: 11.1.0
+  resolution: "jsrsasign@npm:11.1.0"
+  checksum: 1ce5eb44490be260c8b667d14fa8c62bfd75ee2b28f8193043ebd62dc9ac9d371a424d3e648cc2f0c220edada1ea4910d5c8cdebc69fc8c49087539c2e9009c6
   languageName: node
   linkType: hard