diff --git a/Cargo-minimal.lock b/Cargo-minimal.lock
index 913004ea8..1e194721c 100644
--- a/Cargo-minimal.lock
+++ b/Cargo-minimal.lock
@@ -573,9 +573,9 @@ checksum = "3011d1213f159867b13cfd6ac92d2cd5f1345762c63be3554e84092d85a50bbd"
 
 [[package]]
 name = "honggfuzz"
-version = "0.5.58"
+version = "0.5.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e8319f3cc8fe416e7aa1ab95dcc04fd49f35397a47d0b2f0f225f6dba346a07"
+checksum = "4d6510a410acedd7a7683b3a45dafdc5ccf3c72d6addaa373497005964fc4e23"
 dependencies = [
  "lazy_static",
  "memmap2",
@@ -661,6 +661,7 @@ version = "0.0.1"
 dependencies = [
  "honggfuzz",
  "jsonrpc",
+ "memmap2",
  "serde",
  "serde_json",
 ]
@@ -708,9 +709,9 @@ checksum = "f52b00d39961fc5b2736ea853c9cc86238e165017a493d1d5c8eac6bdc4cc273"
 
 [[package]]
 name = "memmap2"
-version = "0.9.9"
+version = "0.9.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "744133e4a0e0a658e1374cf3bf8e415c4052a15a111acd372764c55b4177d490"
+checksum = "d1219ed1b7f229ee7104d281dd01d6802fe28bb6e95d292942c4daacdeb798c0"
 dependencies = [
  "libc",
 ]
diff --git a/Cargo-recent.lock b/Cargo-recent.lock
index 913004ea8..1e194721c 100644
--- a/Cargo-recent.lock
+++ b/Cargo-recent.lock
@@ -573,9 +573,9 @@ checksum = "3011d1213f159867b13cfd6ac92d2cd5f1345762c63be3554e84092d85a50bbd"
 
 [[package]]
 name = "honggfuzz"
-version = "0.5.58"
+version = "0.5.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e8319f3cc8fe416e7aa1ab95dcc04fd49f35397a47d0b2f0f225f6dba346a07"
+checksum = "4d6510a410acedd7a7683b3a45dafdc5ccf3c72d6addaa373497005964fc4e23"
 dependencies = [
  "lazy_static",
  "memmap2",
@@ -661,6 +661,7 @@ version = "0.0.1"
 dependencies = [
  "honggfuzz",
  "jsonrpc",
+ "memmap2",
  "serde",
  "serde_json",
 ]
@@ -708,9 +709,9 @@ checksum = "f52b00d39961fc5b2736ea853c9cc86238e165017a493d1d5c8eac6bdc4cc273"
 
 [[package]]
 name = "memmap2"
-version = "0.9.9"
+version = "0.9.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "744133e4a0e0a658e1374cf3bf8e415c4052a15a111acd372764c55b4177d490"
+checksum = "d1219ed1b7f229ee7104d281dd01d6802fe28bb6e95d292942c4daacdeb798c0"
 dependencies = [
  "libc",
 ]
diff --git a/fuzz/Cargo.toml b/fuzz/Cargo.toml
index 10293ba55..98afa15e7 100644
--- a/fuzz/Cargo.toml
+++ b/fuzz/Cargo.toml
@@ -16,6 +16,9 @@ jsonrpc = { path = "../jsonrpc", features = ["bitreq_http"] }
 serde = { version = "1.0.103", features = [ "derive" ] }
 serde_json = "1.0"
 
+[target.'cfg(fuzzing_debug)'.dependencies]
+memmap2 = "0.9.11"
+
 [lints.rust]
 unexpected_cfgs = { level = "deny", check-cfg = ['cfg(fuzzing)', 'cfg(jsonrpc_fuzz)'] }
 
diff --git a/fuzz/generate-files.sh b/fuzz/generate-files.sh
index 9afe14bd3..49269fc90 100755
--- a/fuzz/generate-files.sh
+++ b/fuzz/generate-files.sh
@@ -28,6 +28,9 @@ jsonrpc = { path = "..", features = ["bitreq_http"] }
 serde = { version = "1.0.103", features = [ "derive" ] }
 serde_json = "1.0"
 
+[target.'cfg(fuzzing_debug)'.dependencies]
+memmap2 = "0.9.11"
+
 [lints.rust]
 unexpected_cfgs = { level = "deny", check-cfg = ['cfg(fuzzing)'] }
 EOF