diff --git a/ci/lint/04_install.sh b/ci/lint/04_install.sh
index 10bb8bba39..8f84a4f221 100755
--- a/ci/lint/04_install.sh
+++ b/ci/lint/04_install.sh
@@ -11,7 +11,7 @@ ${CI_RETRY_EXE} apt-get install -y clang-format-9 python3-pip curl git gawk jq
 update-alternatives --install /usr/bin/clang-format      clang-format      $(which clang-format-9     ) 100
 update-alternatives --install /usr/bin/clang-format-diff clang-format-diff $(which clang-format-diff-9) 100
 
-${CI_RETRY_EXE} pip3 install codespell==1.17.1
+${CI_RETRY_EXE} pip3 install codespell==2.0.0
 ${CI_RETRY_EXE} pip3 install flake8==3.8.3
 ${CI_RETRY_EXE} pip3 install vulture==2.3
 ${CI_RETRY_EXE} pip3 install yq
diff --git a/test/README.md b/test/README.md
index 567cc18aa0..0836aef391 100644
--- a/test/README.md
+++ b/test/README.md
@@ -310,7 +310,7 @@ Use the `-v` option for verbose output.
 | [`lint-python.sh`](lint/lint-python.sh) | [mypy](https://github.com/python/mypy) | [0.781](https://github.com/bitcoin/bitcoin/pull/19348) | `pip3 install mypy==0.781`
 | [`lint-shell.sh`](lint/lint-shell.sh) | [ShellCheck](https://github.com/koalaman/shellcheck) | [0.7.1](https://github.com/bitcoin/bitcoin/pull/19348) | [details...](https://github.com/koalaman/shellcheck#installing)
 | [`lint-shell.sh`](lint/lint-shell.sh) | [yq](https://github.com/kislyuk/yq) | default | `pip3 install yq`
-| [`lint-spelling.sh`](lint/lint-spelling.sh) | [codespell](https://github.com/codespell-project/codespell) | [1.17.1](https://github.com/bitcoin/bitcoin/pull/19348) | `pip3 install codespell==1.17.1`
+| [`lint-spelling.sh`](lint/lint-spelling.sh) | [codespell](https://github.com/codespell-project/codespell) | [2.0.0](https://github.com/bitcoin/bitcoin/pull/20817) | `pip3 install codespell==2.0.0`
 
 Please be aware that on Linux distributions all dependencies are usually available as packages, but could be outdated.
 
diff --git a/test/lint/lint-spelling.ignore-words.txt b/test/lint/lint-spelling.ignore-words.txt
index d4fdfa2d78..0436b35831 100644
--- a/test/lint/lint-spelling.ignore-words.txt
+++ b/test/lint/lint-spelling.ignore-words.txt
@@ -1,25 +1,20 @@
-hights
+asend
 ba
-mor
-mut
-objext
-useable
-setban
-wit
-unparseable
-copyable
+blockin
 cachable
-errorstring
-keyserver
-homogenous
-hist
-ser
-unser
+creat
 crypted
 fo
-creat
-stoll
+fpr
+hights
 hist
+inout
+mor
+nin
 ser
-unselect
-lowercased
+setban
+stoll
+unparseable
+unser
+useable
+wit
diff --git a/test/lint/lint-spelling.sh b/test/lint/lint-spelling.sh
index 2f32313134..818f1eec1a 100755
--- a/test/lint/lint-spelling.sh
+++ b/test/lint/lint-spelling.sh
@@ -15,6 +15,6 @@ if ! command -v codespell > /dev/null; then
 fi
 
 IGNORE_WORDS_FILE=test/lint/lint-spelling.ignore-words.txt
-if ! codespell --check-filenames --disable-colors --quiet-level=7 --ignore-words=${IGNORE_WORDS_FILE} $(git ls-files -- ":(exclude)build-aux/m4/" ":(exclude)contrib/seeds/*.txt" ":(exclude)depends/" ":(exclude)doc/release-notes/" ":(exclude)src/bip39_english.h" ":(exclude)src/dashbls/" ":(exclude)src/crc32c/" ":(exclude)src/crypto/" ":(exclude)src/ctpl_stl.h" ":(exclude)src/cxxtimer.hpp" ":(exclude)src/util/expected.h" ":(exclude)src/immer/" ":(exclude)src/leveldb/" ":(exclude)src/qt/locale/" ":(exclude)src/qt/*.qrc" ":(exclude)src/secp256k1/" ":(exclude)src/univalue/" ":(exclude)contrib/guix/patches"); then
+if ! codespell --check-filenames --disable-colors --quiet-level=7 --ignore-words=${IGNORE_WORDS_FILE} $(git ls-files -- ":(exclude)build-aux/m4/" ":(exclude)contrib/seeds/*.txt" ":(exclude)depends/" ":(exclude)doc/release-notes/" ":(exclude)src/bip39_english.h" ":(exclude)src/dashbls/" ":(exclude)src/crc32c/" ":(exclude)src/crypto/" ":(exclude)src/ctpl_stl.h" ":(exclude)src/cxxtimer.hpp" ":(exclude)src/util/expected.h" ":(exclude)src/immer/" ":(exclude)src/leveldb/" ":(exclude)src/qt/locale/" ":(exclude)src/qt/*.qrc" ":(exclude)src/secp256k1/" ":(exclude)src/univalue/" ":(exclude)contrib/builder-keys/" ":(exclude)contrib/guix/patches"); then
     echo "^ Warning: codespell identified likely spelling errors. Any false positives? Add them to the list of ignored words in ${IGNORE_WORDS_FILE}"
 fi