diff --git a/CHANGELOG.md b/CHANGELOG.md
index 62d14e01..427c3f8a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,11 @@ The format is based on Keep a Changelog and this project adheres to
 ### Migration
 - If there are breaking changes, put a short, actionable checklist here.
 
+
+## [0.15.5-alpha] - 2025-10-27
+### Changed
+- Bumped Apache Arrow dependency to 57.0.0. (No other functional changes.)
+
 ---
 
 ## [0.15.0-alpha] - 2025-09-25
diff --git a/Cargo.lock b/Cargo.lock
index de3d18f1..15b12669 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -119,9 +119,9 @@ checksum = "7c02d123df017efcdfbd739ef81735b36c5ba83ec3c59c80a9d7ecc718f92e50"
 
 [[package]]
 name = "arrow"
-version = "56.1.0"
+version = "57.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c26b57282a08ae92f727497805122fec964c6245cfa0e13f0e75452eaf3bc41f"
+checksum = "4df8bb5b0bd64c0b9bc61317fcc480bad0f00e56d3bc32c69a4c8dada4786bae"
 dependencies = [
  "arrow-arith",
  "arrow-array",
@@ -137,23 +137,23 @@ dependencies = [
 
 [[package]]
 name = "arrow-arith"
-version = "56.1.0"
+version = "57.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cebf38ca279120ff522f4954b81a39527425b6e9f615e6b72842f4de1ffe02b8"
+checksum = "a1a640186d3bd30a24cb42264c2dafb30e236a6f50d510e56d40b708c9582491"
 dependencies = [
  "arrow-array",
  "arrow-buffer",
  "arrow-data",
  "arrow-schema",
  "chrono",
- "num",
+ "num-traits",
 ]
 
 [[package]]
 name = "arrow-array"
-version = "56.1.0"
+version = "57.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "744109142cdf8e7b02795e240e20756c2a782ac9180d4992802954a8f871c0de"
+checksum = "219fe420e6800979744c8393b687afb0252b3f8a89b91027d27887b72aa36d31"
 dependencies = [
  "ahash",
  "arrow-buffer",
@@ -161,26 +161,29 @@ dependencies = [
  "arrow-schema",
  "chrono",
  "half",
- "hashbrown 0.15.4",
- "num",
+ "hashbrown 0.16.0",
+ "num-complex",
+ "num-integer",
+ "num-traits",
 ]
 
 [[package]]
 name = "arrow-buffer"
-version = "56.1.0"
+version = "57.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "601bb103c4c374bcd1f62c66bcea67b42a2ee91a690486c37d4c180236f11ccc"
+checksum = "76885a2697a7edf6b59577f568b456afc94ce0e2edc15b784ce3685b6c3c5c27"
 dependencies = [
  "bytes",
  "half",
- "num",
+ "num-bigint",
+ "num-traits",
 ]
 
 [[package]]
 name = "arrow-cast"
-version = "56.1.0"
+version = "57.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eed61d9d73eda8df9e3014843def37af3050b5080a9acbe108f045a316d5a0be"
+checksum = "9c9ebb4c987e6b3b236fb4a14b20b34835abfdd80acead3ccf1f9bf399e1f168"
 dependencies = [
  "arrow-array",
  "arrow-buffer",
@@ -192,27 +195,28 @@ dependencies = [
  "chrono",
  "half",
  "lexical-core",
- "num",
+ "num-traits",
  "ryu",
 ]
 
 [[package]]
 name = "arrow-data"
-version = "56.1.0"
+version = "57.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43407f2c6ba2367f64d85d4603d6fb9c4b92ed79d2ffd21021b37efa96523e12"
+checksum = "727681b95de313b600eddc2a37e736dcb21980a40f640314dcf360e2f36bc89b"
 dependencies = [
  "arrow-buffer",
  "arrow-schema",
  "half",
- "num",
+ "num-integer",
+ "num-traits",
 ]
 
 [[package]]
 name = "arrow-ord"
-version = "56.1.0"
+version = "57.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c142a147dceb59d057bad82400f1693847c80dca870d008bf7b91caf902810ae"
+checksum = "141c05298b21d03e88062317a1f1a73f5ba7b6eb041b350015b1cd6aabc0519b"
 dependencies = [
  "arrow-array",
  "arrow-buffer",
@@ -223,9 +227,9 @@ dependencies = [
 
 [[package]]
 name = "arrow-row"
-version = "56.1.0"
+version = "57.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dac6620667fccdab4204689ca173bd84a15de6bb6b756c3a8764d4d7d0c2fc04"
+checksum = "c5f3c06a6abad6164508ed283c7a02151515cef3de4b4ff2cebbcaeb85533db2"
 dependencies = [
  "arrow-array",
  "arrow-buffer",
@@ -236,29 +240,29 @@ dependencies = [
 
 [[package]]
 name = "arrow-schema"
-version = "56.1.0"
+version = "57.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dfa93af9ff2bb80de539e6eb2c1c8764abd0f4b73ffb0d7c82bf1f9868785e66"
+checksum = "9cfa7a03d1eee2a4d061476e1840ad5c9867a544ca6c4c59256496af5d0a8be5"
 
 [[package]]
 name = "arrow-select"
-version = "56.1.0"
+version = "57.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be8b2e0052cd20d36d64f32640b68a5ab54d805d24a473baee5d52017c85536c"
+checksum = "bafa595babaad59f2455f4957d0f26448fb472722c186739f4fac0823a1bdb47"
 dependencies = [
  "ahash",
  "arrow-array",
  "arrow-buffer",
  "arrow-data",
  "arrow-schema",
- "num",
+ "num-traits",
 ]
 
 [[package]]
 name = "arrow-string"
-version = "56.1.0"
+version = "57.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2155e26e17f053c8975c546fc70cf19c00542f9abf43c23a88a46ef7204204f"
+checksum = "32f46457dbbb99f2650ff3ac23e46a929e0ab81db809b02aa5511c258348bef2"
 dependencies = [
  "arrow-array",
  "arrow-buffer",
@@ -266,7 +270,7 @@ dependencies = [
  "arrow-schema",
  "arrow-select",
  "memchr",
- "num",
+ "num-traits",
  "regex",
  "regex-syntax",
 ]
@@ -909,6 +913,12 @@ version = "0.15.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5971ac85611da7067dbfcabef3c70ebb5606018acd9e2a3903a0da507521e0d5"
 
+[[package]]
+name = "hashbrown"
+version = "0.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5419bdc4f6a9207fbeba6d11b604d481addf78ecd10c11ad51e76c2f6482748d"
+
 [[package]]
 name = "heck"
 version = "0.5.0"
@@ -1333,20 +1343,6 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
-[[package]]
-name = "num"
-version = "0.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "35bd024e8b2ff75562e5f34e7f4905839deb4b22955ef5e73d2fea1b9813cb23"
-dependencies = [
- "num-bigint",
- "num-complex",
- "num-integer",
- "num-iter",
- "num-rational",
- "num-traits",
-]
-
 [[package]]
 name = "num-bigint"
 version = "0.4.6"
@@ -1375,28 +1371,6 @@ dependencies = [
  "num-traits",
 ]
 
-[[package]]
-name = "num-iter"
-version = "0.1.45"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1429034a0490724d0075ebb2bc9e875d6503c3cf69e235a8941aa757d83ef5bf"
-dependencies = [
- "autocfg",
- "num-integer",
- "num-traits",
-]
-
-[[package]]
-name = "num-rational"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f83d14da390562dca69fc84082e73e548e1ad308d24accdedd2720017cb37824"
-dependencies = [
- "num-bigint",
- "num-integer",
- "num-traits",
-]
-
 [[package]]
 name = "num-traits"
 version = "0.2.19"
@@ -1819,7 +1793,7 @@ dependencies = [
 
 [[package]]
 name = "simd-r-drive"
-version = "0.15.0-alpha"
+version = "0.15.5-alpha"
 dependencies = [
  "async-trait",
  "bincode",
@@ -1847,7 +1821,7 @@ dependencies = [
 
 [[package]]
 name = "simd-r-drive-entry-handle"
-version = "0.15.0-alpha"
+version = "0.15.5-alpha"
 dependencies = [
  "arrow",
  "crc32fast",
@@ -1856,7 +1830,7 @@ dependencies = [
 
 [[package]]
 name = "simd-r-drive-extensions"
-version = "0.15.0-alpha"
+version = "0.15.5-alpha"
 dependencies = [
  "bincode",
  "doc-comment",
@@ -1868,7 +1842,7 @@ dependencies = [
 
 [[package]]
 name = "simd-r-drive-muxio-service-definition"
-version = "0.15.0-alpha"
+version = "0.15.5-alpha"
 dependencies = [
  "bitcode",
  "muxio-rpc-service",
@@ -1876,7 +1850,7 @@ dependencies = [
 
 [[package]]
 name = "simd-r-drive-ws-client"
-version = "0.15.0-alpha"
+version = "0.15.5-alpha"
 dependencies = [
  "async-trait",
  "muxio-rpc-service",
@@ -1890,7 +1864,7 @@ dependencies = [
 
 [[package]]
 name = "simd-r-drive-ws-server"
-version = "0.15.0-alpha"
+version = "0.15.5-alpha"
 dependencies = [
  "clap",
  "indoc",
@@ -2532,19 +2506,3 @@ dependencies = [
  "quote",
  "syn",
 ]
-
-[[patch.unused]]
-name = "muxio-rpc-service"
-version = "0.10.0-alpha"
-
-[[patch.unused]]
-name = "muxio-rpc-service-caller"
-version = "0.10.0-alpha"
-
-[[patch.unused]]
-name = "muxio-tokio-rpc-client"
-version = "0.10.0-alpha"
-
-[[patch.unused]]
-name = "muxio-tokio-rpc-server"
-version = "0.10.0-alpha"
diff --git a/Cargo.toml b/Cargo.toml
index 797b617c..4ce4c54e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [workspace.package]
 authors = ["Jeremy Harris <jeremy.harris@zenosmosis.com>"]
-version = "0.15.0-alpha"
+version = "0.15.5-alpha"
 edition = "2024"
 repository = "https://github.com/jzombie/rust-simd-r-drive"
 license = "Apache-2.0"
@@ -79,17 +79,17 @@ resolver = "2"
 
 [workspace.dependencies]
 # Intra-workspace crates
-simd-r-drive = { path = ".", version = "0.15.0-alpha" }
-simd-r-drive-entry-handle = { path = "./simd-r-drive-entry-handle", version = "0.15.0-alpha" }
-simd-r-drive-ws-client = { path = "./experiments/simd-r-drive-ws-client", version = "0.15.0-alpha" }
-simd-r-drive-muxio-service-definition = { path = "./experiments/simd-r-drive-muxio-service-definition", version = "0.15.0-alpha" }
+simd-r-drive = { path = ".", version = "0.15.5-alpha" }
+simd-r-drive-entry-handle = { path = "./simd-r-drive-entry-handle", version = "0.15.5-alpha" }
+simd-r-drive-ws-client = { path = "./experiments/simd-r-drive-ws-client", version = "0.15.5-alpha" }
+simd-r-drive-muxio-service-definition = { path = "./experiments/simd-r-drive-muxio-service-definition", version = "0.15.5-alpha" }
 muxio-tokio-rpc-client = "0.9.0-alpha"
 muxio-tokio-rpc-server = "0.9.0-alpha"
 muxio-rpc-service = "0.9.0-alpha"
 muxio-rpc-service-caller = "0.9.0-alpha"
 
 # Third-party crates (note, not all dependencies are used in the base drive)
-arrow = { version = "56.1.0", default-features = false }
+arrow = { version = "57.0.0", default-features = false }
 async-trait = "0.1.88"
 bincode = "1.3.3" # TODO: Replace with `bitcode`
 bitcode = "0.6.6"
diff --git a/experiments/bindings/python-ws-client/Cargo.lock b/experiments/bindings/python-ws-client/Cargo.lock
index 6f99a211..a9a46655 100644
--- a/experiments/bindings/python-ws-client/Cargo.lock
+++ b/experiments/bindings/python-ws-client/Cargo.lock
@@ -1048,7 +1048,7 @@ dependencies = [
 
 [[package]]
 name = "simd-r-drive"
-version = "0.15.0-alpha"
+version = "0.15.5-alpha"
 dependencies = [
  "async-trait",
  "clap",
@@ -1064,7 +1064,7 @@ dependencies = [
 
 [[package]]
 name = "simd-r-drive-entry-handle"
-version = "0.15.0-alpha"
+version = "0.15.5-alpha"
 dependencies = [
  "crc32fast",
  "memmap2",
@@ -1072,7 +1072,7 @@ dependencies = [
 
 [[package]]
 name = "simd-r-drive-muxio-service-definition"
-version = "0.15.0-alpha"
+version = "0.15.5-alpha"
 dependencies = [
  "bitcode",
  "muxio-rpc-service",
@@ -1080,7 +1080,7 @@ dependencies = [
 
 [[package]]
 name = "simd-r-drive-ws-client"
-version = "0.15.0-alpha"
+version = "0.15.5-alpha"
 dependencies = [
  "async-trait",
  "muxio-rpc-service",
diff --git a/experiments/bindings/python_(old_client)/pyproject.toml b/experiments/bindings/python_(old_client)/pyproject.toml
index df5aef25..4bc77e3b 100644
--- a/experiments/bindings/python_(old_client)/pyproject.toml
+++ b/experiments/bindings/python_(old_client)/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "simd-r-drive-py"
-version = "0.15.0-alpha"
+version = "0.15.5-alpha"
 description = "SIMD-optimized append-only schema-less storage engine. Key-based binary storage in a single-file storage container."
 repository = "https://github.com/jzombie/rust-simd-r-drive"
 license = "Apache-2.0"