diff --git a/Cargo.lock b/Cargo.lock
index 09a50ff8..0e271bc6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,21 +2,6 @@
 # It is not intended for manual editing.
 version = 3
 
-[[package]]
-name = "addr2line"
-version = "0.17.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9ecd88a8c8378ca913a680cd98f0f13ac67383d35993f86c90a70e3f137816b"
-dependencies = [
- "gimli",
-]
-
-[[package]]
-name = "adler"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
-
 [[package]]
 name = "ansi_term"
 version = "0.12.1"
@@ -26,6 +11,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "anyhow"
+version = "1.0.57"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08f9b8508dccb7687a1d6c4ce66b2b0ecef467c94667de27d8d7fe1f8d2a9cdc"
+
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -37,39 +28,12 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "backtrace"
-version = "0.3.65"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11a17d453482a265fd5f8479f2a3f405566e6ca627837aaddb85af8b1ab8ef61"
-dependencies = [
- "addr2line",
- "cc",
- "cfg-if",
- "libc",
- "miniz_oxide",
- "object",
- "rustc-demangle",
-]
-
 [[package]]
 name = "bitflags"
 version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
-[[package]]
-name = "cc"
-version = "1.0.73"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
-
-[[package]]
-name = "cfg-if"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
-
 [[package]]
 name = "clap"
 version = "2.34.0"
@@ -89,42 +53,15 @@ dependencies = [
 name = "crypto-ecosystems"
 version = "0.2.0"
 dependencies = [
- "failure",
+ "anyhow",
  "glob",
  "serde",
  "serde_json",
  "structopt",
+ "thiserror",
  "toml",
 ]
 
-[[package]]
-name = "failure"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d32e9bd16cc02eae7db7ef620b392808b89f6a5e16bb3497d159c6b92a0f4f86"
-dependencies = [
- "backtrace",
- "failure_derive",
-]
-
-[[package]]
-name = "failure_derive"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa4da3c766cd7a0db8242e326e9e4e081edd567072893ed320008189715366a4"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "synstructure",
-]
-
-[[package]]
-name = "gimli"
-version = "0.26.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78cc372d058dcf6d5ecd98510e7fbc9e5aec4d21de70f65fea8fecebcd881bd4"
-
 [[package]]
 name = "glob"
 version = "0.3.0"
@@ -167,30 +104,6 @@ version = "0.2.126"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
 
-[[package]]
-name = "memchr"
-version = "2.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
-
-[[package]]
-name = "miniz_oxide"
-version = "0.5.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f5c75688da582b8ffc1f1799e9db273f32133c49e048f614d22ec3256773ccc"
-dependencies = [
- "adler",
-]
-
-[[package]]
-name = "object"
-version = "0.28.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e42c982f2d955fac81dd7e1d0e1426a7d702acd9c98d19ab01083a6a0328c424"
-dependencies = [
- "memchr",
-]
-
 [[package]]
 name = "proc-macro-error"
 version = "1.0.4"
@@ -233,12 +146,6 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "rustc-demangle"
-version = "0.1.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ef03e0a2b150c7a90d01faf6254c9c48a41e95fb2a8c2ac1c6f0d2b9aefc342"
-
 [[package]]
 name = "ryu"
 version = "1.0.10"
@@ -317,18 +224,6 @@ dependencies = [
  "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",
- "unicode-xid",
-]
-
 [[package]]
 name = "textwrap"
 version = "0.11.0"
@@ -338,6 +233,26 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "thiserror"
+version = "1.0.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd829fe32373d27f76265620b5309d0340cb8550f523c1dda251d6298069069a"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0396bc89e626244658bef819e22d0cc459e795a5ebe878e6ec336d1674a8d79a"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "toml"
 version = "0.5.9"
@@ -365,12 +280,6 @@ version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3ed742d4ea2bd1176e236172c8429aaf54486e7ac098db29ffe6529e0ce50973"
 
-[[package]]
-name = "unicode-xid"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "957e51f3646910546462e67d5f7599b9e4fb8acdd304b087a6494730f9eebf04"
-
 [[package]]
 name = "vec_map"
 version = "0.8.2"
diff --git a/Cargo.toml b/Cargo.toml
index 2c5ab5e8..ed89d50b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,9 +5,10 @@ authors = ["Curtis Spencer"]
 edition = "2021"
 
 [dependencies]
-toml = "0.5.9"
+anyhow = "1.0"
 glob = "0.3.0"
-failure = "0.1.8"
 serde = { version = "1.0.137", features = ["derive"] }
 serde_json = "1.0.81"
 structopt = "0.3.26"
+thiserror = "1.0.31"
+toml = "0.5.9"
diff --git a/src/main.rs b/src/main.rs
index 076f4e1a..90d4c738 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,4 @@
-use failure::{Fail, Fallible};
+use anyhow::Result;
 use glob::glob;
 use serde::{Deserialize, Serialize};
 use std::collections::{HashMap, HashSet};
@@ -6,8 +6,7 @@ use std::fmt::{Display, Formatter};
 use std::fs::{read_to_string, File};
 use std::path::{Path, PathBuf};
 use structopt::StructOpt;
-
-type Result<T> = std::result::Result<T, failure::Error>;
+use thiserror::Error;
 
 #[derive(Debug, StructOpt)]
 #[structopt(about = "Taxonomy of crypto open source repositories")]
@@ -58,9 +57,9 @@ struct Repo {
     pub tags: Option<Vec<String>>,
 }
 
-#[derive(Debug, Fail)]
+#[derive(Debug, Error)]
 enum CEError {
-    #[fail(display = "Toml Parse Error in {}: {}", path, toml_error)]
+    #[error("Toml Parse Error in {path:?}: {toml_error:?}")]
     TomlParseError {
         path: String,
         toml_error: toml::de::Error,
@@ -144,7 +143,7 @@ fn validate_ecosystems(ecosystem_map: &EcosystemMap) -> Vec<ValidationError> {
     errors
 }
 
-fn validate(data_path: String) -> Fallible<()> {
+fn validate(data_path: String) -> Result<()> {
     let toml_files = get_toml_files(Path::new(&data_path))?;
     match parse_toml_files(&toml_files) {
         Ok(ecosystem_map) => {
@@ -164,7 +163,7 @@ fn validate(data_path: String) -> Fallible<()> {
     Ok(())
 }
 
-fn export(data_path: String, output_path: String) -> Fallible<()> {
+fn export(data_path: String, output_path: String) -> Result<()> {
     let toml_files = get_toml_files(Path::new(&data_path))?;
     match parse_toml_files(&toml_files) {
         Ok(ecosystem_map) => {
@@ -182,7 +181,7 @@ fn export(data_path: String, output_path: String) -> Fallible<()> {
     Ok(())
 }
 
-fn main() -> Fallible<()> {
+fn main() -> Result<()> {
     let args = Cli::from_args();
     match args {
         Cli::Validate { data_path } => {