diff --git a/go.mod b/go.mod
index e4dfe30..a7b7820 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,4 @@ module github.com/kintsdev/certy
 
 go 1.24
 
-require golang.org/x/crypto v0.39.0
+require golang.org/x/crypto v0.40.0
diff --git a/go.sum b/go.sum
index 9699b43..e9e3e03 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +1,2 @@
-golang.org/x/crypto v0.39.0 h1:SHs+kF4LP+f+p14esP5jAoDpHU8Gu/v9lFRK6IT5imM=
-golang.org/x/crypto v0.39.0/go.mod h1:L+Xg3Wf6HoL4Bn4238Z6ft6KfEpN0tJGo53AAPC632U=
+golang.org/x/crypto v0.40.0 h1:r4x+VvoG5Fm+eJcxMaY8CQM7Lb0l1lsmjGBQ6s8BfKM=
+golang.org/x/crypto v0.40.0/go.mod h1:Qr1vMER5WyS2dfPHAlsOj01wgLbsyWtFn/aY+5+ZdxY=