diff --git a/tests/go.mod b/tests/go.mod
index 43a02771b..9837d6833 100644
--- a/tests/go.mod
+++ b/tests/go.mod
@@ -20,7 +20,7 @@ require (
 
 require (
 	dario.cat/mergo v1.0.1 // indirect
-	filippo.io/edwards25519 v1.1.0 // indirect
+	filippo.io/edwards25519 v1.1.1 // indirect
 	github.com/Azure/go-ansiterm v0.0.0-20250102033503-faa5f7b0171c // indirect
 	github.com/BurntSushi/toml v1.5.0 // indirect
 	github.com/MakeNowJust/heredoc v1.0.0 // indirect
diff --git a/tests/go.sum b/tests/go.sum
index e9dcc4f90..95fa79867 100644
--- a/tests/go.sum
+++ b/tests/go.sum
@@ -1,7 +1,8 @@
 dario.cat/mergo v1.0.1 h1:Ra4+bf83h2ztPIQYNP99R6m+Y7KfnARDfID+a+vLl4s=
 dario.cat/mergo v1.0.1/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk=
-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/AdaLogics/go-fuzz-headers v0.0.0-20230811130428-ced1acdcaa24 h1:bvDV9vkmnHYOMsOr4WLk+Vo07yKIzd94sVoIqshQ4bU=
 github.com/AdaLogics/go-fuzz-headers v0.0.0-20230811130428-ced1acdcaa24/go.mod h1:8o94RPi1/7XTJvwPpRSzSUedZrtlirdB3r9Z20bi2f8=
 github.com/Azure/go-ansiterm v0.0.0-20250102033503-faa5f7b0171c h1:udKWzYgxTojEKWjV8V+WSxDXJ4NFATAsZjh8iIbsQIg=
diff --git a/tests/vendor/filippo.io/edwards25519/extra.go b/tests/vendor/filippo.io/edwards25519/extra.go
index d152d68ff..ab2e44a51 100644
--- a/tests/vendor/filippo.io/edwards25519/extra.go
+++ b/tests/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/tests/vendor/modules.txt b/tests/vendor/modules.txt
index a2240a7d3..c8e79b88f 100644
--- a/tests/vendor/modules.txt
+++ b/tests/vendor/modules.txt
@@ -1,7 +1,7 @@
 # dario.cat/mergo v1.0.1
 ## explicit; go 1.13
 dario.cat/mergo
-# filippo.io/edwards25519 v1.1.0
+# filippo.io/edwards25519 v1.1.1
 ## explicit; go 1.20
 filippo.io/edwards25519
 filippo.io/edwards25519/field