diff --git a/go.mod b/go.mod
index 7a45e67800..9033d5d423 100644
--- a/go.mod
+++ b/go.mod
@@ -16,7 +16,7 @@ require (
 	github.com/cespare/cp v0.1.0
 	github.com/cloudflare/cloudflare-go v0.14.0
 	github.com/consensys/gnark-crypto v0.4.1-0.20210426202927-39ac3d4b3f1f
-	github.com/crate-crypto/go-ipa v0.0.0-20211211194659-8730b6787450
+	github.com/crate-crypto/go-ipa v0.0.0-20211223165939-ab3f49447206
 	github.com/davecgh/go-spew v1.1.1
 	github.com/deckarep/golang-set v0.0.0-20180603214616-504e848d77ea
 	github.com/deepmap/oapi-codegen v1.8.2 // indirect
diff --git a/go.sum b/go.sum
index c3a6ed7a87..d182e37f94 100644
--- a/go.sum
+++ b/go.sum
@@ -107,6 +107,8 @@ github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:ma
 github.com/crate-crypto/go-ipa v0.0.0-20211107182441-1aeb67f49de7/go.mod h1:gFnFS95y8HstDP6P9pPwzrxOOC5TRDkwbM+ao15ChAI=
 github.com/crate-crypto/go-ipa v0.0.0-20211211194659-8730b6787450 h1:FW8SSFr58vgCbvNAWHUgigf6BYG1uIcwgZA8z539RLE=
 github.com/crate-crypto/go-ipa v0.0.0-20211211194659-8730b6787450/go.mod h1:gFnFS95y8HstDP6P9pPwzrxOOC5TRDkwbM+ao15ChAI=
+github.com/crate-crypto/go-ipa v0.0.0-20211223165939-ab3f49447206 h1:nMTTM1b+4WtWrb43nmTUV/FJz7M0M2g5fioLmd4QzUQ=
+github.com/crate-crypto/go-ipa v0.0.0-20211223165939-ab3f49447206/go.mod h1:gFnFS95y8HstDP6P9pPwzrxOOC5TRDkwbM+ao15ChAI=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/cyberdelia/templates v0.0.0-20141128023046-ca7fffd4298c/go.mod h1:GyV+0YP4qX0UQ7r2MoYZ+AvYDp12OF5yg4q8rGnyNh4=
 github.com/dave/jennifer v1.2.0/go.mod h1:fIb+770HOpJ2fmN9EPPKOqm1vMGhB+TwXKMZhrIygKg=
diff --git a/miner/worker_test.go b/miner/worker_test.go
index 6753e7895b..a9856480e9 100644
--- a/miner/worker_test.go
+++ b/miner/worker_test.go
@@ -262,7 +262,7 @@ func testGenerateBlockAndImport(t *testing.T, isClique bool) {
 		// TODO(gballet) the timeout had to be increased from 3s to 7s with verkle
 		// trees, presumably because calculating an address is orders of magnitude
 		// slower with perdersen_hash not using the multi-exponentiation.
-		case <-time.After(7 * time.Second): // Worker needs 1s to include new changes.
+		case <-time.After(5 * time.Second): // Worker needs 1s to include new changes.
 			t.Fatalf("timeout")
 		}
 	}