diff --git a/Cargo.lock b/Cargo.lock
index 05c9835..7ddadbd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -86,7 +86,7 @@ dependencies = [
  "num-traits 0.2.19",
  "schemars",
  "serde",
- "thiserror",
+ "thiserror 1.0.61",
 ]
 
 [[package]]
@@ -99,7 +99,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "structmeta",
- "syn 2.0.66",
+ "syn 2.0.90",
 ]
 
 [[package]]
@@ -314,7 +314,7 @@ checksum = "de0d48a183585823424a4ce1aa132d174a6a81bd540895822eb4c8373a8e49e8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.66",
+ "syn 2.0.90",
 ]
 
 [[package]]
@@ -323,20 +323,6 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
-[[package]]
-name = "err-derive"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c34a887c8df3ed90498c1c437ce21f211c8e27672921a8ffa293cb8d6d4caa9e"
-dependencies = [
- "proc-macro-error",
- "proc-macro2",
- "quote",
- "rustversion",
- "syn 1.0.109",
- "synstructure",
-]
-
 [[package]]
 name = "errno"
 version = "0.3.9"
@@ -570,7 +556,7 @@ checksum = "8540b7d99a20166178b42a05776aef900cdbfec397f861dfc7819bf1d7760b3d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.66",
+ "syn 2.0.90",
 ]
 
 [[package]]
@@ -685,7 +671,7 @@ dependencies = [
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn 2.0.66",
+ "syn 2.0.90",
 ]
 
 [[package]]
@@ -737,7 +723,7 @@ dependencies = [
  "regex",
  "regex-syntax 0.8.4",
  "structmeta",
- "syn 2.0.66",
+ "syn 2.0.90",
 ]
 
 [[package]]
@@ -791,7 +777,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5f12335488a2f3b0a83b14edad48dca9879ce89b2edd10e80237e4e852dd645e"
 dependencies = [
  "proc-macro2",
- "syn 2.0.66",
+ "syn 2.0.90",
 ]
 
 [[package]]
@@ -829,9 +815,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.85"
+version = "1.0.92"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22244ce15aa966053a896d1accb3a6e68469b97c7f33f284b99f0d576879fc23"
+checksum = "37d3544b3f2748c54e147655edb5025752e2303145b5aefb3c3ea2c78b973bb0"
 dependencies = [
  "unicode-ident",
 ]
@@ -928,12 +914,6 @@ dependencies = [
  "windows-sys",
 ]
 
-[[package]]
-name = "rustversion"
-version = "1.0.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "955d28af4278de8121b7ebeb796b6a45735dc01436d898801014aced2773a3d6"
-
 [[package]]
 name = "ryu"
 version = "1.0.18"
@@ -970,7 +950,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "serde_derive_internals",
- "syn 2.0.66",
+ "syn 2.0.90",
 ]
 
 [[package]]
@@ -990,7 +970,7 @@ checksum = "500cbc0ebeb6f46627f50f3f5811ccf6bf00643be300b4c3eabc0ef55dc5b5ba"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.66",
+ "syn 2.0.90",
 ]
 
 [[package]]
@@ -1001,7 +981,7 @@ checksum = "18d26a20a969b9e3fdf2fc2d9f21eda6c40e2de84c9408bb5d3b05d499aae711"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.66",
+ "syn 2.0.90",
 ]
 
 [[package]]
@@ -1023,7 +1003,7 @@ checksum = "6c64451ba24fc7a6a2d60fc75dd9c83c90903b19028d4eff35e88fc1e86564e9"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.66",
+ "syn 2.0.90",
 ]
 
 [[package]]
@@ -1065,7 +1045,7 @@ dependencies = [
  "regex",
  "serde",
  "serde_derive",
- "thiserror",
+ "thiserror 1.0.61",
 ]
 
 [[package]]
@@ -1077,7 +1057,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "structmeta-derive",
- "syn 2.0.66",
+ "syn 2.0.90",
 ]
 
 [[package]]
@@ -1088,7 +1068,7 @@ checksum = "152a0b65a590ff6c3da95cabe2353ee04e6167c896b28e3b14478c2636c922fc"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.66",
+ "syn 2.0.90",
 ]
 
 [[package]]
@@ -1104,27 +1084,15 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.66"
+version = "2.0.90"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c42f3f41a2de00b01c0aaad383c5a45241efc8b2d1eda5661812fda5f3cdcff5"
+checksum = "919d3b74a5dd0ccd15aeb8f93e7006bd9e14c295087c9896a110f490752bcf31"
 dependencies = [
  "proc-macro2",
  "quote",
  "unicode-ident",
 ]
 
-[[package]]
-name = "synstructure"
-version = "0.12.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
- "unicode-xid",
-]
-
 [[package]]
 name = "tempfile"
 version = "3.10.1"
@@ -1155,7 +1123,7 @@ dependencies = [
  "cfg-if",
  "proc-macro2",
  "quote",
- "syn 2.0.66",
+ "syn 2.0.90",
 ]
 
 [[package]]
@@ -1166,7 +1134,7 @@ checksum = "5c89e72a01ed4c579669add59014b9a524d609c0c88c6a585ce37485879f6ffb"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.66",
+ "syn 2.0.90",
  "test-case-core",
 ]
 
@@ -1179,7 +1147,6 @@ dependencies = [
  "bitbuffer",
  "criterion",
  "enumflags2",
- "err-derive",
  "fnv",
  "iai",
  "insta",
@@ -1201,9 +1168,10 @@ dependencies = [
  "serde_repr",
  "snap",
  "steamid-ng",
- "syn 2.0.66",
+ "syn 2.0.90",
  "tempfile",
  "test-case",
+ "thiserror 2.0.4",
  "tracing",
  "tracing-subscriber",
 ]
@@ -1214,7 +1182,16 @@ version = "1.0.61"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c546c80d6be4bc6a00c0f01730c08df82eaa7a7a61f11d656526506112cc1709"
 dependencies = [
- "thiserror-impl",
+ "thiserror-impl 1.0.61",
+]
+
+[[package]]
+name = "thiserror"
+version = "2.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2f49a1853cf82743e3b7950f77e0f4d622ca36cf4317cba00c767838bac8d490"
+dependencies = [
+ "thiserror-impl 2.0.4",
 ]
 
 [[package]]
@@ -1225,7 +1202,18 @@ checksum = "46c3384250002a6d5af4d114f2845d37b57521033f30d5c3f46c4d70e1197533"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.66",
+ "syn 2.0.90",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "2.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8381894bb3efe0c4acac3ded651301ceee58a15d47c2e34885ed1908ad667061"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.90",
 ]
 
 [[package]]
@@ -1284,7 +1272,7 @@ checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.66",
+ "syn 2.0.90",
 ]
 
 [[package]]
@@ -1332,12 +1320,6 @@ version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
 
-[[package]]
-name = "unicode-xid"
-version = "0.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
-
 [[package]]
 name = "valuable"
 version = "0.1.0"
@@ -1381,7 +1363,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.66",
+ "syn 2.0.90",
  "wasm-bindgen-shared",
 ]
 
@@ -1403,7 +1385,7 @@ checksum = "e94f17b526d0a461a191c78ea52bbce64071ed5c04c9ffe424dcb38f74171bb7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.66",
+ "syn 2.0.90",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index e541238..4723924 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -53,7 +53,7 @@ snap = "1.1.1"
 serde = { version = "1.0.203", features = ["derive", "rc"] }
 serde_json = "1.0.117"
 serde_repr = "0.1.19"
-err-derive = "0.3.1"
+thiserror = "2.0.4"
 parse-display = "0.9.1"
 main_error = "0.1.2"
 jemallocator = { version = "0.5.4", optional = true }
diff --git a/src/demo/parser/error.rs b/src/demo/parser/error.rs
index f973085..0e97e7b 100644
--- a/src/demo/parser/error.rs
+++ b/src/demo/parser/error.rs
@@ -4,27 +4,24 @@ use crate::demo::message::packetentities::EntityId;
 use crate::demo::packet::datatable::{ClassId, SendTableName};
 use crate::demo::sendprop::{SendPropIdentifier, SendPropValue};
 use bitbuffer::BitError;
-use err_derive::Error;
 use std::str::Utf8Error;
 use std::string::FromUtf8Error;
+use thiserror::Error;
 
 /// Errors that can occur during parsing
 #[non_exhaustive]
 #[derive(Debug, Error)]
 pub enum ParseError {
-    #[error(display = "Error while reading bits from stream: {}", _0)]
-    ReadError(#[error(source, no_from)] BitError),
-    #[error(display = "Malformed utf8 while reading string")]
-    MalformedUTF8(#[error(source)] Utf8Error),
-    #[error(display = "Unexpected type of compressed data: {}", _0)]
+    #[error("Error while reading bits from stream: {0}")]
+    ReadError(#[source] BitError),
+    #[error("Malformed utf8 while reading string")]
+    MalformedUTF8(#[from] Utf8Error),
+    #[error("Unexpected type of compressed data: {0}")]
     UnexpectedCompressionType(String),
+    #[error("Error while decompressing SNAP compressed string table: {0}")]
+    SnapError(#[from] snap::Error),
     #[error(
-        display = "Error while decompressing SNAP compressed string table: {}",
-        _0
-    )]
-    SnapError(#[error(source)] snap::Error),
-    #[error(
-        display = "Unexpected size after decompressing SNAP data, got {} bytes, expected {} bytes",
+        "Unexpected size after decompressing SNAP data, got {} bytes, expected {} bytes",
         size,
         expected
     )]
@@ -34,78 +31,64 @@ pub enum ParseError {
         /// Actual decompressed size
         size: u32,
     },
-    #[error(display = "Malformed demo file: {}", _0)]
+    #[error("Malformed demo file: {0}")]
     InvalidDemo(&'static str),
-    #[error(display = "Packet identifier is invalid: {}", _0)]
+    #[error("Packet identifier is invalid: {0}")]
     InvalidPacketType(u8),
-    #[error(display = "Message identifier is invalid: {}", _0)]
+    #[error("Message identifier is invalid: {0}")]
     InvalidMessageType(u8),
-    #[error(display = "Invalid SendProp type: {}", _0)]
+    #[error("Invalid SendProp type: {0}")]
     InvalidSendPropType(u8),
-    #[error(display = "Invalid SendProp: {}", _0)]
-    InvalidSendProp(#[error(source)] MalformedSendPropDefinitionError),
-    #[error(
-        display = "Unexpected amount of data left after parsing an object, {} bits remaining",
-        _0
-    )]
+    #[error("Invalid SendProp: {0}")]
+    InvalidSendProp(#[from] MalformedSendPropDefinitionError),
+    #[error("Unexpected amount of data left after parsing an object, {0} bits remaining")]
     DataRemaining(usize),
-    #[error(display = "String table with index {} not found", _0)]
+    #[error("String table with index {0} not found")]
     StringTableNotFound(u8),
-    #[error(display = "A malformed game event was read: {}", _0)]
-    MalformedGameEvent(#[error(source)] GameEventError),
+    #[error("A malformed game event was read: {0}")]
+    MalformedGameEvent(#[from] GameEventError),
     #[error(
-        display = "A read game event doesn't contain the expected values, expected type {} for {} event, got type {}",
-        expected_type,
-        name,
-        found_type
+        "A read game event doesn't contain the expected values, expected type {expected_type} for {name} event, got type {found_type}"
     )]
     InvalidGameEvent {
         expected_type: GameEventValueType,
         name: &'static str,
         found_type: GameEventValueType,
     },
-    #[error(
-        display = "Game event of type {} does not contain a {} value",
-        ty,
-        field
-    )]
+    #[error("Game event of type {ty} does not contain a {field} value")]
     MissingGameEventValue { ty: &'static str, field: String },
-    #[error(display = "An entity with an unknown server class({}) was read", _0)]
+    #[error("An entity with an unknown server class({0}) was read")]
     UnknownServerClass(ClassId),
-    #[error(display = "Unknown send table: {}", _0)]
+    #[error("Unknown send table: {}", _0)]
     UnknownSendTable(SendTableName),
-    #[error(
-        display = "Property index out of bounds, got {} but only {} props exist",
-        _0,
-        _1
-    )]
+    #[error("Property index out of bounds, got {index} but only {prop_count} props exist")]
     PropIndexOutOfBounds {
         index: i32,
         prop_count: usize,
         table: String,
     },
-    #[error(display = "An attempt was made to update an unknown entity: {}", _0)]
+    #[error("An attempt was made to update an unknown entity: {0}")]
     UnknownEntity(EntityId),
-    #[error(display = "No sendprop definition found for property")]
+    #[error("No sendprop definition found for property")]
     UnknownDefinition(SendPropIdentifier),
 }
 
 #[non_exhaustive]
 #[derive(Debug, Error)]
 pub enum MalformedSendPropDefinitionError {
-    #[error(display = "Float property without defined size")]
+    #[error("Float property without defined size")]
     UnsizedFloat,
-    #[error(display = "Array property without defined size")]
+    #[error("Array property without defined size")]
     UnsizedArray,
-    #[error(display = "Array property without defined inner type")]
+    #[error("Array property without defined inner type")]
     UntypedArray,
-    #[error(display = "Property used that can't be read")]
+    #[error("Property used that can't be read")]
     InvalidPropType,
-    #[error(display = "Array contents can't have the 'ChangesOften' flag")]
+    #[error("Array contents can't have the 'ChangesOften' flag")]
     ArrayChangesOften,
-    #[error(display = "SendProp value out of range")]
+    #[error("SendProp value out of range")]
     OutOfRange,
-    #[error(display = "Wrong prop value type for definition")]
+    #[error("Wrong prop value type for definition")]
     WrongPropType {
         expected: &'static str,
         value: SendPropValue,
@@ -115,11 +98,11 @@ pub enum MalformedSendPropDefinitionError {
 #[non_exhaustive]
 #[derive(Debug, Error)]
 pub enum GameEventError {
-    #[error(display = "Incorrect number of values")]
+    #[error("Incorrect number of values")]
     IncorrectValueCount,
-    #[error(display = "Event with 'none' value")]
+    #[error("Event with 'none' value")]
     NoneValue,
-    #[error(display = "Unknown type: {}", _0)]
+    #[error("Unknown type: {0}")]
     UnknownType(GameEventTypeId),
 }