diff --git a/Cargo.lock b/Cargo.lock
index 23dcced..4c4d5f0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -214,9 +214,9 @@ checksum = "ec8a7b6a70fde80372154c65702f00a0f56f3e1c36abbc6c440484be248856db"
 
 [[package]]
 name = "cached"
-version = "0.34.1"
+version = "0.38.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12f5cd208ba696f870238022d81ca1d80ed9d696fd62341c747f2d8f6ecdd9fe"
+checksum = "27e6092f8c7ba6e65a46f6f26d7d7997201d3a6f0e69ff5d2440b930d7c0513a"
 dependencies = [
  "async-trait",
  "async_once",
@@ -224,6 +224,7 @@ dependencies = [
  "cached_proc_macro_types",
  "futures",
  "hashbrown",
+ "instant",
  "lazy_static",
  "once_cell",
  "thiserror",
@@ -232,9 +233,9 @@ dependencies = [
 
 [[package]]
 name = "cached_proc_macro"
-version = "0.12.0"
+version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bce0f37f9b77c6b93cdf3f060c89adca303d2ab052cacb3c3d1ab543e8cecd2f"
+checksum = "751f7f4e7a091545e7f6c65bacc404eaee7e87bfb1f9ece234a1caa173dc16f2"
 dependencies = [
  "cached_proc_macro_types",
  "darling",
@@ -655,7 +656,6 @@ checksum = "f73fe65f54d1e12b726f517d3e2135ca3125a437b6d998caf1962961f7172d9e"
 dependencies = [
  "futures-channel",
  "futures-core",
- "futures-executor",
  "futures-io",
  "futures-sink",
  "futures-task",
@@ -678,34 +678,12 @@ version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0c09fd04b7e4073ac7156a9539b57a484a8ea920f79c7c675d05d289ab6110d3"
 
-[[package]]
-name = "futures-executor"
-version = "0.3.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9420b90cfa29e327d0429f19be13e7ddb68fa1cccb09d65e5706b8c7a749b8a6"
-dependencies = [
- "futures-core",
- "futures-task",
- "futures-util",
-]
-
 [[package]]
 name = "futures-io"
 version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fc4045962a5a5e935ee2fdedaa4e08284547402885ab326734432bed5d12966b"
 
-[[package]]
-name = "futures-macro"
-version = "0.3.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33c1e13800337f4d4d7a316bf45a567dbcb6ffe087f16424852d97e97a91f512"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "futures-sink"
 version = "0.3.21"
@@ -727,7 +705,6 @@ dependencies = [
  "futures-channel",
  "futures-core",
  "futures-io",
- "futures-macro",
  "futures-sink",
  "futures-task",
  "memchr",
diff --git a/Cargo.toml b/Cargo.toml
index 3b1572e..91db009 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ repository = "https://git.luon.net/paul/sinoptik"
 license = "MIT"
 
 [dependencies]
-cached = { version = "0.34.0", features = ["async"] }
+cached = { version = "0.38.0", features = ["async"] }
 chrono = "0.4.19"
 chrono-tz = "0.6.1"
 csv = "1.1.6"