diff --git a/Cargo.lock b/Cargo.lock
index e05f38f..a89bca6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -81,9 +81,9 @@ dependencies = [
 
 [[package]]
 name = "autocfg"
-version = "1.0.1"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "aws-config"
@@ -107,7 +107,7 @@ dependencies = [
  "http",
  "hyper",
  "ring",
- "time 0.3.17",
+ "time",
  "tokio",
  "tower",
  "tracing",
@@ -239,7 +239,7 @@ dependencies = [
  "percent-encoding",
  "regex",
  "sha2 0.10.6",
- "time 0.3.17",
+ "time",
  "tracing",
 ]
 
@@ -345,7 +345,7 @@ dependencies = [
  "itoa",
  "num-integer",
  "ryu",
- "time 0.3.17",
+ "time",
 ]
 
 [[package]]
@@ -490,12 +490,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "16b0a3d9ed01224b22057780a37bb8c5dbfe1be8ba48678e7bf57ec4b385411f"
 dependencies = [
  "iana-time-zone",
- "js-sys",
  "num-integer",
  "num-traits",
  "serde",
- "time 0.1.45",
- "wasm-bindgen",
  "winapi",
 ]
 
@@ -508,15 +505,6 @@ dependencies = [
  "generic-array",
 ]
 
-[[package]]
-name = "claim"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f81099d6bb72e1df6d50bb2347224b666a670912bb7f06dbe867a4a070ab3ce8"
-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "clap"
 version = "4.1.8"
@@ -591,7 +579,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e859cd57d0710d9e06c381b550c06e76992472a8c6d527aecd2fc673dcc231fb"
 dependencies = [
  "percent-encoding",
- "time 0.3.17",
+ "time",
  "version_check",
 ]
 
@@ -607,7 +595,7 @@ dependencies = [
  "publicsuffix",
  "serde",
  "serde_json",
- "time 0.3.17",
+ "time",
  "url",
 ]
 
@@ -655,7 +643,6 @@ dependencies = [
  "aws-smithy-types",
  "base64",
  "chrono",
- "claim",
  "clap",
  "confy",
  "console",
@@ -1063,7 +1050,7 @@ checksum = "c05aeb6a22b8f62540c194aac980f2115af067bfe15a0734d7277a768d396b31"
 dependencies = [
  "cfg-if",
  "libc",
- "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasi",
 ]
 
 [[package]]
@@ -1477,7 +1464,7 @@ checksum = "5b9d9a46eff5b4ff64b45a9e316a6d1e0bc719ef429cbec4dc630684212bfdf9"
 dependencies = [
  "libc",
  "log",
- "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasi",
  "windows-sys 0.45.0",
 ]
 
@@ -2428,17 +2415,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "time"
-version = "0.1.45"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b797afad3f312d1c66a56d11d0316f916356d11bd158fbc6ca6389ff6bf805a"
-dependencies = [
- "libc",
- "wasi 0.10.0+wasi-snapshot-preview1",
- "winapi",
-]
-
 [[package]]
 name = "time"
 version = "0.3.17"
@@ -2483,22 +2459,22 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.19.2"
+version = "1.26.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c51a52ed6686dd62c320f9b89299e9dfb46f730c7a48e635c19f21d116cb1439"
+checksum = "03201d01c3c27a29c8a5cee5b55a93ddae1ccf6f08f65365c2c918f8c1b76f64"
 dependencies = [
+ "autocfg",
  "bytes",
  "libc",
  "memchr",
  "mio",
  "num_cpus",
- "once_cell",
  "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",
  "socket2",
  "tokio-macros",
- "winapi",
+ "windows-sys 0.45.0",
 ]
 
 [[package]]
@@ -2776,12 +2752,6 @@ dependencies = [
  "try-lock",
 ]
 
-[[package]]
-name = "wasi"
-version = "0.10.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
-
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
diff --git a/Cargo.toml b/Cargo.toml
index 3437bc0..b721d0b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -51,13 +51,16 @@ dirs = "4"
 url = "2.3.1"
 sha2 = "0.10.6"
 anyhow = "1.0"
-chrono = { version = "0.4.23", features = ["serde"] }
+chrono = { version = "0.4.23", default-features = false, features = [
+    "clock",
+    "std",
+    "serde",
+] }
 itertools = "0.10.5"
 confy = "0.5.1"
-tokio = { version = "1", features = ["full"] }
+tokio = { version = "1.26.0", features = ["full"] }
 console = "0.15.5"
 select = "0.6"
 
 [dev-dependencies]
 tempfile = "3"
-claim = "0.5.0"
diff --git a/src/config.rs b/src/config.rs
index ba5c6c2..c1f438c 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -97,14 +97,13 @@ fn find_duplicate(vec: &[AppProfile], profile: &AppProfile) -> bool {
 mod test {
     use super::*;
     use crate::providers::ProviderType;
-    use claim::{assert_err, assert_ok};
 
     #[test]
     fn serializes_valid_config_for_location() -> Result<()> {
         let crowbar_config =
             CrowbarConfig::with_location(Some("tests/fixtures/valid_config.toml".to_string()));
         let result = crowbar_config.read();
-        assert_ok!(&result);
+        assert!(&result.is_ok());
 
         let config = result?.profiles;
         assert_eq!(config.len(), 1);
@@ -116,7 +115,7 @@ mod test {
     fn serializes_empty_config_for_location_into_empty_vec() -> Result<()> {
         let crowbar_config = CrowbarConfig::with_location(Some("/tmp/some/location".to_string()));
         let result = crowbar_config.read();
-        assert_ok!(&result);
+        assert!(&result.is_ok());
 
         let config = result?.profiles;
         assert_eq!(config.len(), 0);
@@ -152,7 +151,7 @@ mod test {
 
         let result = config.add_profile(&profile_a());
 
-        assert_err!(result);
+        assert!(result.is_err());
         Ok(())
     }
 
@@ -180,7 +179,7 @@ mod test {
         };
 
         let profile = profile_a();
-        assert_err!(config.delete_profile(&profile.name));
+        assert!(config.delete_profile(&profile.name).is_err());
 
         Ok(())
     }
diff --git a/src/providers/okta/response.rs b/src/providers/okta/response.rs
index d540538..93e55d9 100644
--- a/src/providers/okta/response.rs
+++ b/src/providers/okta/response.rs
@@ -118,7 +118,6 @@ pub struct UserProfile {
 mod test {
     use super::*;
     use anyhow::Result;
-    use claim::assert_ok;
     use std::fs;
 
     #[test]
@@ -181,7 +180,7 @@ mod test {
             "tests/fixtures/okta/login_response_unimplemented_factors.json",
         )?);
 
-        assert_ok!(response);
+        assert!(response.is_ok());
         Ok(())
     }
 }
diff --git a/src/saml.rs b/src/saml.rs
index 7d7935b..abf38a0 100644
--- a/src/saml.rs
+++ b/src/saml.rs
@@ -23,7 +23,7 @@ impl FromStr for Response {
     type Err = anyhow::Error;
 
     fn from_str(s: &str) -> Result<Self> {
-        let decoded_saml = String::from_utf8(b64.decode(&s)?)?;
+        let decoded_saml = String::from_utf8(b64.decode(s)?)?;
 
         trace!("SAML: {}", s);
 
@@ -91,7 +91,6 @@ pub fn extract_saml_assertion(text: &str) -> Result<Response> {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use claim::assert_ok;
     use std::fs;
 
     #[test]
@@ -149,7 +148,7 @@ mod tests {
         let html: String = fs::read_to_string("tests/fixtures/jumpcloud/html_saml_response.html")?;
         let saml_response = extract_saml_assertion(&html);
 
-        assert_ok!(saml_response);
+        assert!(saml_response.is_ok());
 
         Ok(())
     }