diff --git a/ci/lint/04_install.sh b/ci/lint/04_install.sh
index b7e40c0f48..a0b579de1e 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 yq
 ${CI_RETRY_EXE} pip3 install mypy==0.781
diff --git a/test/README.md b/test/README.md
index 2341eef00d..17bf8a1406 100644
--- a/test/README.md
+++ b/test/README.md
@@ -264,7 +264,7 @@ 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 Please be aware that on Linux distributions all dependencies are usually available as packages, but could be outdated.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 34f54325b3..78ffe4def3 100644
--- a/test/lint/lint-spelling.ignore-words.txt
+++ b/test/lint/lint-spelling.ignore-words.txt
@@ -1,17 +1,15 @@
+asend
+blockin
+cachable
+fo
+fpr
 hights
+hist
+inout
 mor
-mut
-objext
+nin
+ser
+unparseable
+unser
 useable
 wit
-unparseable
-copyable
-cachable
-errorstring
-keyserver
-homogenous
-setban
-hist
-ser
-unselect
-lowercased
diff --git a/test/lint/lint-spelling.sh b/test/lint/lint-spelling.sh
index cb84727ba5..fbdf3c59c1 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} $(git ls-files -- ":(exclude)build-aux/m4/" ":(exclude)contrib/seeds/*.txt" ":(exclude)depends/" ":(exclude)doc/release-notes/" ":(exclude)src/leveldb/" ":(exclude)src/crc32c/" ":(exclude)src/qt/locale/" ":(exclude)src/qt/*.qrc" ":(exclude)src/secp256k1/" ":(exclude)src/univalue/"); then
+if ! codespell --check-filenames --disable-colors --quiet-level=7 --ignore-words=${IGNORE_WORDS_FILE} $(git ls-files -- ":(exclude)build-aux/m4/" ":(exclude)contrib/seeds/*.txt" ":(exclude)depends/" ":(exclude)doc/release-notes/" ":(exclude)src/leveldb/" ":(exclude)src/crc32c/" ":(exclude)src/qt/locale/" ":(exclude)src/qt/*.qrc" ":(exclude)src/secp256k1/" ":(exclude)src/univalue/" ":(exclude)contrib/gitian-keys/keys.txt"); then
     echo "^ Warning: codespell identified likely spelling errors. Any false positives? Add them to the list of ignored words in ${IGNORE_WORDS_FILE}"
 fi