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-"checksum strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
-"checksum structopt 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)" = "6cc388d94ffabf39b5ed5fadddc40147cb21e605f53db6f8f36a625d27489ac5"
-"checksum structopt-derive 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "5e2513111825077552a6751dfad9e11ce0fba07d7276a3943a037d7e93e64c5f"
-"checksum syn 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)" = "6690e3e9f692504b941dc6c3b188fd28df054f7fb8469ab40680df52fdcc842b"
-"checksum textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
-"checksum unicode-segmentation 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e83e153d1053cbb5a118eeff7fd5be06ed99153f00dbcd8ae310c5fb2b22edc0"
-"checksum unicode-width 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
-"checksum unicode-xid 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
-"checksum vec_map 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
-"checksum version_check 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
-"checksum winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
-"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
diff --git a/Cargo.toml b/Cargo.toml
index 3bcd162..71736b9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "stringsext"
-version = "2.3.3"
+version = "2.3.4"
 authors = ["Jens Getreu <getreu@web.de>"]
 edition = "2021"
 readme = "README.md"
@@ -15,16 +15,16 @@ repository = "https://github.com/getreu/stringsext"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-encoding_rs= "0.8.24"
+encoding_rs= "0.8.29"
 lazy_static = "1.4.0"
-serde = "1.0.116"
-serde_derive = "1.0.116"
-itertools = "0.9.0"
+serde = "1.0.130"
+serde_derive = "1.0.130"
+itertools = "0.10.1"
 scoped_threadpool = "0.1.9"
-anyhow = "1.0.32"
+anyhow = "1.0.45"
 clap = "2.33.3"
-structopt = "0.3.17"
-pin-project = "0.4.23"
+structopt = "0.3.25"
+pin-project = "1.0.8"
 
 # Metadata for Debian packages with cargo-deb
 
diff --git a/README.md b/README.md
index 60bfe55..a4f949f 100644
--- a/README.md
+++ b/README.md
@@ -123,9 +123,9 @@ Repository
 
   - Package for Debian 10 Buster:
 
-    [x86_64-unknown-linux-gnu/debian/stringsext_2.3.3_amd64.deb](https://blog.getreu.net/projects/stringsext/_downloads/x86_64-unknown-linux-gnu/debian/stringsext_2.3.3_amd64.deb)
+    [x86_64-unknown-linux-gnu/debian/stringsext_2.3.4_amd64.deb](https://blog.getreu.net/projects/stringsext/_downloads/x86_64-unknown-linux-gnu/debian/stringsext_2.3.4_amd64.deb)
 
-    [i686-unknown-linux-gnu/debian/stringsext_2.3.3_i386.deb](https://blog.getreu.net/projects/stringsext/_downloads/i686-unknown-linux-gnu/debian/stringsext_2.3.3_i386.deb)
+    [i686-unknown-linux-gnu/debian/stringsext_2.3.4_i386.deb](https://blog.getreu.net/projects/stringsext/_downloads/i686-unknown-linux-gnu/debian/stringsext_2.3.4_i386.deb)
 
 * Installable Unix man-page:
 
diff --git a/doc/source/index.md b/doc/source/index.md
index f3ab9fb..19aabdc 100644
--- a/doc/source/index.md
+++ b/doc/source/index.md
@@ -123,9 +123,9 @@ Repository
 
   - Package for Debian 10 Buster:
 
-    [x86_64-unknown-linux-gnu/debian/stringsext_2.3.3_amd64.deb](/projects/stringsext/_downloads/x86_64-unknown-linux-gnu/debian/stringsext_2.3.3_amd64.deb)
+    [x86_64-unknown-linux-gnu/debian/stringsext_2.3.4_amd64.deb](/projects/stringsext/_downloads/x86_64-unknown-linux-gnu/debian/stringsext_2.3.4_amd64.deb)
 
-    [i686-unknown-linux-gnu/debian/stringsext_2.3.3_i386.deb](/projects/stringsext/_downloads/i686-unknown-linux-gnu/debian/stringsext_2.3.3_i386.deb)
+    [i686-unknown-linux-gnu/debian/stringsext_2.3.4_i386.deb](/projects/stringsext/_downloads/i686-unknown-linux-gnu/debian/stringsext_2.3.4_i386.deb)
 
 * Installable Unix man-page:
 
diff --git a/doc/source/stringsext--manpage.md b/doc/source/stringsext--manpage.md
index 4c996a1..947bc93 100644
--- a/doc/source/stringsext--manpage.md
+++ b/doc/source/stringsext--manpage.md
@@ -1,4 +1,4 @@
-% STRINGSEXT(1) Version 2.3.3 | Stringsext Documentation
+% STRINGSEXT(1) Version 2.3.4 | Stringsext Documentation
 
 <!--
 previous versions