diff --git a/src/go.mod b/src/go.mod
index e693f1b10..4a88088c1 100644
--- a/src/go.mod
+++ b/src/go.mod
@@ -24,7 +24,7 @@ require (
 )
 
 require (
-	filippo.io/edwards25519 v1.1.0 // indirect
+	filippo.io/edwards25519 v1.1.1 // indirect
 	github.com/Masterminds/semver/v3 v3.4.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
diff --git a/src/go.sum b/src/go.sum
index 4020809c7..1b1578b77 100644
--- a/src/go.sum
+++ b/src/go.sum
@@ -12,8 +12,8 @@ code.cloudfoundry.org/go-pubsub v0.0.0-20251204080526-f88eccbecd26 h1:fXQbh80O2q
 code.cloudfoundry.org/go-pubsub v0.0.0-20251204080526-f88eccbecd26/go.mod h1:QxOFtPAFdKuZ2+ZsNW9GcMfxc8wAucVJ7dCuai+H6+s=
 code.cloudfoundry.org/tlsconfig v0.45.0 h1:axem2ESLqMm645WyTkw1RZ9zjfZzUiojImNqxGXEtlI=
 code.cloudfoundry.org/tlsconfig v0.45.0/go.mod h1:62TfSYz4O4pgggNLF0wEZOTr2ZtrsnKPX9c2LSL1Cl0=
-filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
-filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
+filippo.io/edwards25519 v1.1.1 h1:YpjwWWlNmGIDyXOn8zLzqiD+9TyIlPhGFG96P39uBpw=
+filippo.io/edwards25519 v1.1.1/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
 github.com/Masterminds/semver/v3 v3.4.0 h1:Zog+i5UMtVoCU8oKka5P7i9q9HgrJeGzI9SA1Xbatp0=
 github.com/Masterminds/semver/v3 v3.4.0/go.mod h1:4V+yj/TJE1HU9XfppCwVMZq3I84lprf4nC11bSS5beM=
 github.com/apoydence/eachers v0.0.0-20181020210610-23942921fe77 h1:afT88tB6u9JCKQZVAAaa9ICz/uGn5Uw9ekn6P22mYKM=
diff --git a/src/vendor/filippo.io/edwards25519/extra.go b/src/vendor/filippo.io/edwards25519/extra.go
index d152d68ff..ab2e44a51 100644
--- a/src/vendor/filippo.io/edwards25519/extra.go
+++ b/src/vendor/filippo.io/edwards25519/extra.go
@@ -265,6 +265,7 @@ func (v *Point) MultiScalarMult(scalars []*Scalar, points []*Point) *Point {
 	tmp1 := &projP1xP1{}
 	tmp2 := &projP2{}
 	// Lookup-and-add the appropriate multiple of each input point
+	v.Set(NewIdentityPoint())
 	for j := range tables {
 		tables[j].SelectInto(multiple, digits[j][63])
 		tmp1.Add(v, multiple) // tmp1 = v + x_(j,63)*Q in P1xP1 coords
diff --git a/src/vendor/modules.txt b/src/vendor/modules.txt
index 6552fe2fc..9e6fa159d 100644
--- a/src/vendor/modules.txt
+++ b/src/vendor/modules.txt
@@ -23,7 +23,7 @@ code.cloudfoundry.org/go-pubsub/pubsub-gen/setters
 ## explicit; go 1.24.0
 code.cloudfoundry.org/tlsconfig
 code.cloudfoundry.org/tlsconfig/certtest
-# filippo.io/edwards25519 v1.1.0
+# filippo.io/edwards25519 v1.1.1
 ## explicit; go 1.20
 filippo.io/edwards25519
 filippo.io/edwards25519/field