diff --git a/Cargo.lock b/Cargo.lock
index 2f9cdf095b741..bd25c7da08324 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1759,6 +1759,12 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "bytecount"
+version = "0.6.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1e5f035d16fc623ae5f74981db80a439803888314e3a555fd6f04acd51a3205"
+
 [[package]]
 name = "bytemuck"
 version = "1.14.0"
@@ -5584,7 +5590,8 @@ dependencies = [
 [[package]]
 name = "ntapi"
 version = "0.3.7"
-source = "git+https://github.com/MSxDOS/ntapi.git?rev=24fc1e47677fc9f6e38e5f154e6011dc9b270da6#24fc1e47677fc9f6e38e5f154e6011dc9b270da6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c28774a7fd2fbb4f0babd8237ce554b73af68021b5f695a3cebd6c59bac0980f"
 dependencies = [
  "winapi",
 ]
@@ -10222,6 +10229,7 @@ dependencies = [
  "async-trait",
  "base64 0.21.5",
  "bitmask-enum",
+ "bytecount",
  "bytes 1.5.0",
  "chrono",
  "chrono-tz",
@@ -10239,7 +10247,6 @@ dependencies = [
  "http",
  "hyper-proxy",
  "indexmap 2.1.0",
- "memchr",
  "metrics",
  "metrics-tracing-context",
  "metrics-util",
diff --git a/lib/vector-core/Cargo.toml b/lib/vector-core/Cargo.toml
index b8bfb38eb49b8..b621e1db5120f 100644
--- a/lib/vector-core/Cargo.toml
+++ b/lib/vector-core/Cargo.toml
@@ -63,7 +63,7 @@ vector-config = { path = "../vector-config" }
 vector-config-common = { path = "../vector-config-common" }
 vector-config-macros = { path = "../vector-config-macros" }
 vrl.workspace = true
-memchr = "2.6.4"
+bytecount = "0.6.7"
 
 [target.'cfg(target_os = "macos")'.dependencies]
 security-framework = "2.9.2"
diff --git a/lib/vector-core/src/event/estimated_json_encoded_size_of.rs b/lib/vector-core/src/event/estimated_json_encoded_size_of.rs
index 933118d7b3411..038129b71d61e 100644
--- a/lib/vector-core/src/event/estimated_json_encoded_size_of.rs
+++ b/lib/vector-core/src/event/estimated_json_encoded_size_of.rs
@@ -97,8 +97,7 @@ impl EstimatedJsonEncodedSizeOf for str {
 // serializing to JSON. The goal is improve our overall accuracy in the case of relatively common
 // scenarios like strings of nested JSON, etc.
 fn count_escapes(input: &[u8]) -> usize {
-    memchr::memchr3_iter(b'"', b'\\', b'\t', input).count()
-        + memchr::memchr2_iter(b'\n', b'\r', input).count()
+    bytecount::count(input, b'"')
 }
 
 impl EstimatedJsonEncodedSizeOf for String {