diff --git a/.semgrepignore b/.semgrepignore
index cb655af1..0724a456 100644
--- a/.semgrepignore
+++ b/.semgrepignore
@@ -19,6 +19,9 @@ test/
 tests/
 *_test.go
 
+# false positive; TODO: https://github.com/cerc-io/laconicd/issues/104
+testutil/network/network.go
+
 # Semgrep rules folder
 .semgrep
 
diff --git a/go.mod b/go.mod
index 3478a9da..eab4a2be 100644
--- a/go.mod
+++ b/go.mod
@@ -27,7 +27,7 @@ require (
 	github.com/holiman/uint256 v1.2.1
 	github.com/improbable-eng/grpc-web v0.15.0
 	github.com/ipfs/go-cid v0.3.2
-	github.com/ipld/go-ipld-prime v0.18.0
+	github.com/ipld/go-ipld-prime v0.19.0
 	github.com/miguelmota/go-ethereum-hdwallet v0.1.1
 	github.com/onsi/ginkgo/v2 v2.5.1
 	github.com/onsi/gomega v1.24.1
@@ -156,7 +156,7 @@ require (
 	github.com/multiformats/go-base32 v0.0.3 // indirect
 	github.com/multiformats/go-base36 v0.1.0 // indirect
 	github.com/multiformats/go-multibase v0.0.3 // indirect
-	github.com/multiformats/go-multihash v0.2.0 // indirect
+	github.com/multiformats/go-multihash v0.2.1 // indirect
 	github.com/multiformats/go-varint v0.0.6 // indirect
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
 	github.com/pelletier/go-toml v1.9.5 // indirect
diff --git a/go.sum b/go.sum
index 8b19c4cf..69369469 100644
--- a/go.sum
+++ b/go.sum
@@ -798,8 +798,8 @@ github.com/influxdata/tdigest v0.0.0-20181121200506-bf2b5ad3c0a9/go.mod h1:Js0mq
 github.com/influxdata/usage-client v0.0.0-20160829180054-6d3895376368/go.mod h1:Wbbw6tYNvwa5dlB6304Sd+82Z3f7PmVZHVKU637d4po=
 github.com/ipfs/go-cid v0.3.2 h1:OGgOd+JCFM+y1DjWPmVH+2/4POtpDzwcr7VgnB7mZXc=
 github.com/ipfs/go-cid v0.3.2/go.mod h1:gQ8pKqT/sUxGY+tIwy1RPpAojYu7jAyCp5Tz1svoupw=
-github.com/ipld/go-ipld-prime v0.18.0 h1:xUk7NUBSWHEXdjiOu2sLXouFJOMs0yoYzeI5RAqhYQo=
-github.com/ipld/go-ipld-prime v0.18.0/go.mod h1:735yXW548CKrLwVCYXzqx90p5deRJMVVxM9eJ4Qe+qE=
+github.com/ipld/go-ipld-prime v0.19.0 h1:5axC7rJmPc17Emw6TelxGwnzALk0PdupZ2oj2roDj04=
+github.com/ipld/go-ipld-prime v0.19.0/go.mod h1:Q9j3BaVXwaA3o5JUDNvptDDr/x8+F7FG6XJ8WI3ILg4=
 github.com/jackpal/go-nat-pmp v1.0.2-0.20160603034137-1fa385a6f458/go.mod h1:QPH045xvCAeXUZOxsnwmrtiCoxIr9eob+4orBN1SBKc=
 github.com/jackpal/go-nat-pmp v1.0.2 h1:KzKSgb7qkJvOUTqYl9/Hg/me3pWgBmERKrTGD7BdWus=
 github.com/jackpal/go-nat-pmp v1.0.2/go.mod h1:QPH045xvCAeXUZOxsnwmrtiCoxIr9eob+4orBN1SBKc=
@@ -967,9 +967,9 @@ github.com/multiformats/go-base36 v0.1.0 h1:JR6TyF7JjGd3m6FbLU2cOxhC0Li8z8dLNGQ8
 github.com/multiformats/go-base36 v0.1.0/go.mod h1:kFGE83c6s80PklsHO9sRn2NCoffoRdUUOENyW/Vv6sM=
 github.com/multiformats/go-multibase v0.0.3 h1:l/B6bJDQjvQ5G52jw4QGSYeOTZoAwIO77RblWplfIqk=
 github.com/multiformats/go-multibase v0.0.3/go.mod h1:5+1R4eQrT3PkYZ24C3W2Ue2tPwIdYQD509ZjSb5y9Oc=
-github.com/multiformats/go-multicodec v0.5.0 h1:EgU6cBe/D7WRwQb1KmnBvU7lrcFGMggZVTPtOW9dDHs=
-github.com/multiformats/go-multihash v0.2.0 h1:oytJb9ZA1OUW0r0f9ea18GiaPOo4SXyc7p2movyUuo4=
-github.com/multiformats/go-multihash v0.2.0/go.mod h1:WxoMcYG85AZVQUyRyo9s4wULvW5qrI9vb2Lt6evduFc=
+github.com/multiformats/go-multicodec v0.6.0 h1:KhH2kSuCARyuJraYMFxrNO3DqIaYhOdS039kbhgVwpE=
+github.com/multiformats/go-multihash v0.2.1 h1:aem8ZT0VA2nCHHk7bPJ1BjUbHNciqZC/d16Vve9l108=
+github.com/multiformats/go-multihash v0.2.1/go.mod h1:WxoMcYG85AZVQUyRyo9s4wULvW5qrI9vb2Lt6evduFc=
 github.com/multiformats/go-varint v0.0.6 h1:gk85QWKxh3TazbLxED/NlDVv8+q+ReFJk7Y2W/KhfNY=
 github.com/multiformats/go-varint v0.0.6/go.mod h1:3Ls8CIEsrijN6+B7PbrXRPxHRPuXSrVKRY101jdMZYE=
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=