diff --git a/Cargo.lock b/Cargo.lock
index b84db61..042f626 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -82,15 +82,6 @@ dependencies = [
  "windows-sys",
 ]
 
-[[package]]
-name = "arbitrary"
-version = "1.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3d036a3c4ab069c7b410a2ce876bd74808d2d0888a82667669f8e783a898bf1"
-dependencies = [
- "derive_arbitrary",
-]
-
 [[package]]
 name = "async-trait"
 version = "0.1.89"
@@ -99,7 +90,7 @@ checksum = "9035ad2d096bed7955a320ee7e2230574d28fd3c3a0f186cbea1ff3c7eed5dbb"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -238,7 +229,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -364,17 +355,6 @@ dependencies = [
  "typenum",
 ]
 
-[[package]]
-name = "derive_arbitrary"
-version = "1.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e567bd82dcff979e4b03460c307b3cdc9e96fde3d73bed1496d2bc75d9dd62a"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.117",
-]
-
 [[package]]
 name = "digest"
 version = "0.10.7"
@@ -385,17 +365,6 @@ dependencies = [
  "crypto-common",
 ]
 
-[[package]]
-name = "displaydoc"
-version = "0.2.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ac70aa55017e108007fbaf5aa0f54b021c98f92ff8af59d42eda9da96e3dd4f"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.117",
-]
-
 [[package]]
 name = "either"
 version = "1.15.0"
@@ -436,8 +405,8 @@ version = "1.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "843fba2746e448b37e26a819579957415c8cef339bf08564fe8b7ddbd959573c"
 dependencies = [
- "crc32fast",
  "miniz_oxide",
+ "zlib-rs",
 ]
 
 [[package]]
@@ -925,11 +894,10 @@ checksum = "dc897dd8d9e8bd1ed8cdad82b5966c3e0ecae09fb1907d58efaa013543185d0a"
 
 [[package]]
 name = "rust_xlsxwriter"
-version = "0.68.0"
+version = "0.99.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e1f12ee0cffaffabab8ca54617afb946cd04e62aa0edd68f161fb10d032ea9e0"
+checksum = "c073c0bd3868defc46035bf95b2e70389cefc59c528b8674fe90594c9c2b3f6f"
 dependencies = [
- "regex",
  "zip",
 ]
 
@@ -986,7 +954,7 @@ dependencies = [
  "rust_xlsxwriter",
  "serde",
  "serde_json",
- "thiserror 1.0.69",
+ "thiserror",
 ]
 
 [[package]]
@@ -1056,7 +1024,7 @@ checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -1124,17 +1092,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "syn"
-version = "3.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53e9bae58849f64dfa4f5d5ae372c8341f7305f82a3868709269343628b659a3"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-ident",
-]
-
 [[package]]
 name = "tempfile"
 version = "3.27.0"
@@ -1154,16 +1111,7 @@ version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
 dependencies = [
- "thiserror-impl 1.0.69",
-]
-
-[[package]]
-name = "thiserror"
-version = "2.0.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09a43598840e33d5b0331f38c5e30d13bb11c11210a4b58f0d9b18a5a5eefcd9"
-dependencies = [
- "thiserror-impl 2.0.19",
+ "thiserror-impl",
 ]
 
 [[package]]
@@ -1174,18 +1122,7 @@ checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
-]
-
-[[package]]
-name = "thiserror-impl"
-version = "2.0.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43cbfe0cf76104d42a574802844187e84a305e531ed54455f11fbde0f10541cd"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 3.0.3",
+ "syn",
 ]
 
 [[package]]
@@ -1198,6 +1135,12 @@ dependencies = [
  "serde_json",
 ]
 
+[[package]]
+name = "typed-path"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e28f89b80c87b8fb0cf04ab448d5dd0dd0ade2f8891bae878de66a75a28600e"
+
 [[package]]
 name = "typenum"
 version = "1.20.1"
@@ -1298,7 +1241,7 @@ dependencies = [
  "bumpalo",
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
  "wasm-bindgen-shared",
 ]
 
@@ -1341,7 +1284,7 @@ checksum = "3c81b9fef827e575e0e54431736d1baa0d700315d8c62cfef1f61fa3aad0cbeb"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -1390,7 +1333,7 @@ checksum = "053e2e040ab57b9dc951b72c264860db7eb3b0200ba345b4e4c3b14f67855ddf"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -1401,7 +1344,7 @@ checksum = "3f316c4a2570ba26bbec722032c4099d8c8bc095efccdc15688708623367e358"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
@@ -1460,26 +1403,29 @@ checksum = "70e3cd084b1788766f53af483dd21f93881ff30d7320490ec3ef7526d203bad4"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.117",
+ "syn",
 ]
 
 [[package]]
 name = "zip"
-version = "2.4.2"
+version = "8.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fabe6324e908f85a1c52063ce7aa26b68dcb7eb6dbc83a2d148403c9bc3eba50"
+checksum = "2d04a6b5381502aa6087c94c669499eb1602eb9c5e8198e534de571f7154809b"
 dependencies = [
- "arbitrary",
  "crc32fast",
- "crossbeam-utils",
- "displaydoc",
  "flate2",
  "indexmap",
  "memchr",
- "thiserror 2.0.19",
+ "typed-path",
  "zopfli",
 ]
 
+[[package]]
+name = "zlib-rs"
+version = "0.6.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34b31d188d9d685a4f9c7b46d6e36631b07058d2cfe190267adce54dc230bf12"
+
 [[package]]
 name = "zmij"
 version = "1.0.21"
diff --git a/crates/rzd-core/Cargo.toml b/crates/rzd-core/Cargo.toml
index 99893fd..dd9ae5e 100644
--- a/crates/rzd-core/Cargo.toml
+++ b/crates/rzd-core/Cargo.toml
@@ -12,7 +12,7 @@ serde_json = "1.0"
 thiserror = "1.0"
 chrono = { version = "0.4", features = ["serde"] }
 parking_lot = "0.12"
-rust_xlsxwriter = "0.68"
+rust_xlsxwriter = "0.99"
 
 [dev-dependencies]
 criterion = "0.5"