diff --git a/project.clj b/project.clj
index 4fa257a..463c92b 100644
--- a/project.clj
+++ b/project.clj
@@ -8,7 +8,7 @@
                  [pandect "1.0.2"]                          ;; SHA
                  ;[org.apache.pdfbox/pdfbox "1.8.17"] ;; no longer supported due to api changes required for 2.x
                  [org.apache.pdfbox/pdfbox "2.0.32"]
-                 [org.bouncycastle/bcprov-jdk18on "1.78.1"]
+                 [org.bouncycastle/bcprov-jdk18on "1.83"]
                  [org.bouncycastle/bcmail-jdk18on "1.78.1"]
                  [commons-io "2.16.1"]
                  [commons-codec "1.17.1"]]