diff --git a/README.md b/README.md
index 87e2cc2..2ba9ed1 100644
--- a/README.md
+++ b/README.md
@@ -32,11 +32,11 @@ smoothly as a function of lightness within sRGB gamut bounds.
 
 | Chroma curves                                            | Color trajectories                       |
 |----------------------------------------------------------|------------------------------------------|
-| ![Chroma curves](images/release/1.5.3/chroma-curves.png) | ![Trajectories](images/trajectories.gif) |
+| ![Chroma curves](images/release/1.5.4/chroma-curves.png) | ![Trajectories](images/trajectories.gif) |
 
 | Palette                                      |
 |----------------------------------------------|
-| ![Palette](images/release/1.5.3/palette.png) |
+| ![Palette](images/release/1.5.4/palette.png) |
 
 Chroma curves are designed specifically to establish a distinct role for each
 accent and are non-intersecting over the lightness domain (hence the distinct
diff --git a/app-config/firefox/alpine-monobiome-dark.xpi b/app-config/firefox/alpine-monobiome-dark.xpi
index 3b1b4b7..15f685b 100644
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diff --git a/app-config/firefox/alpine-monobiome-light.xpi b/app-config/firefox/alpine-monobiome-light.xpi
index 4ec98b2..9a8644f 100644
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diff --git a/app-config/firefox/alpine-monobiome.xpi b/app-config/firefox/alpine-monobiome.xpi
index 866d084..89b27ca 100644
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diff --git a/app-config/firefox/badlands-monobiome-dark.xpi b/app-config/firefox/badlands-monobiome-dark.xpi
index 299ea9e..b96836f 100644
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diff --git a/app-config/firefox/badlands-monobiome-light.xpi b/app-config/firefox/badlands-monobiome-light.xpi
index 273b1b9..bb49bf8 100644
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diff --git a/app-config/firefox/badlands-monobiome.xpi b/app-config/firefox/badlands-monobiome.xpi
index 0b2201f..16bd5c5 100644
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diff --git a/app-config/firefox/chaparral-monobiome-dark.xpi b/app-config/firefox/chaparral-monobiome-dark.xpi
index 136119b..aab9b94 100644
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diff --git a/app-config/firefox/chaparral-monobiome-light.xpi b/app-config/firefox/chaparral-monobiome-light.xpi
index 3b711eb..9ad5aa6 100644
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diff --git a/app-config/firefox/chaparral-monobiome.xpi b/app-config/firefox/chaparral-monobiome.xpi
index 4743ffd..9a9b053 100644
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diff --git a/app-config/firefox/grassland-monobiome-dark.xpi b/app-config/firefox/grassland-monobiome-dark.xpi
index 2c4d7d8..b82a6e0 100644
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diff --git a/app-config/firefox/grassland-monobiome-light.xpi b/app-config/firefox/grassland-monobiome-light.xpi
index a573085..b1d5a57 100644
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diff --git a/app-config/firefox/grassland-monobiome.xpi b/app-config/firefox/grassland-monobiome.xpi
index 9ccfce9..a23dbdb 100644
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diff --git a/app-config/firefox/heathland-monobiome-dark.xpi b/app-config/firefox/heathland-monobiome-dark.xpi
index 8c1a856..ac70217 100644
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diff --git a/app-config/firefox/heathland-monobiome-light.xpi b/app-config/firefox/heathland-monobiome-light.xpi
index 62fb806..14e85b0 100644
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diff --git a/app-config/firefox/heathland-monobiome.xpi b/app-config/firefox/heathland-monobiome.xpi
index ad48612..a61f833 100644
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diff --git a/app-config/firefox/moorland-monobiome-dark.xpi b/app-config/firefox/moorland-monobiome-dark.xpi
index e43593d..aac82f2 100644
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diff --git a/app-config/firefox/moorland-monobiome-light.xpi b/app-config/firefox/moorland-monobiome-light.xpi
index 8ea193f..f20675b 100644
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diff --git a/app-config/firefox/moorland-monobiome.xpi b/app-config/firefox/moorland-monobiome.xpi
index 829d939..828135b 100644
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diff --git a/app-config/firefox/reef-monobiome-dark.xpi b/app-config/firefox/reef-monobiome-dark.xpi
index c7f0e7e..5517377 100644
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diff --git a/app-config/firefox/reef-monobiome-light.xpi b/app-config/firefox/reef-monobiome-light.xpi
index bee6985..85f5d1e 100644
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diff --git a/app-config/firefox/reef-monobiome.xpi b/app-config/firefox/reef-monobiome.xpi
index c5cb110..324649c 100644
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diff --git a/app-config/firefox/savanna-monobiome-dark.xpi b/app-config/firefox/savanna-monobiome-dark.xpi
index 998311b..87f2f0f 100644
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diff --git a/app-config/firefox/savanna-monobiome-light.xpi b/app-config/firefox/savanna-monobiome-light.xpi
index 7e44559..6a11dfc 100644
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diff --git a/app-config/firefox/savanna-monobiome.xpi b/app-config/firefox/savanna-monobiome.xpi
index eb70241..abb85ca 100644
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diff --git a/app-config/firefox/tundra-monobiome-dark.xpi b/app-config/firefox/tundra-monobiome-dark.xpi
index 15ecdd8..a69831a 100644
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diff --git a/app-config/firefox/tundra-monobiome-light.xpi b/app-config/firefox/tundra-monobiome-light.xpi
index 0f4af3b..eb18254 100644
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diff --git a/app-config/firefox/tundra-monobiome.xpi b/app-config/firefox/tundra-monobiome.xpi
index 9b1d8e7..9828467 100644
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diff --git a/colors/hex-palette.toml b/colors/hex-palette.toml
index 22d3fe5..d0614b8 100644
--- a/colors/hex-palette.toml
+++ b/colors/hex-palette.toml
@@ -1,4 +1,4 @@
-version = "1.5.3"
+version = "1.5.4"
 
 [alpine]
 l10 = "#030303"
diff --git a/colors/oklch-palette.toml b/colors/oklch-palette.toml
index 6556e99..dfdca93 100644
--- a/colors/oklch-palette.toml
+++ b/colors/oklch-palette.toml
@@ -1,4 +1,4 @@
-version = "1.5.3"
+version = "1.5.4"
 
 [alpine]
 l10 = "oklch(10.0% 0.0000 0.0)"
diff --git a/images/release/1.5.4/chroma-bounds.png b/images/release/1.5.4/chroma-bounds.png
new file mode 100644
index 0000000..db34403
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diff --git a/images/release/1.5.4/chroma-curves.png b/images/release/1.5.4/chroma-curves.png
new file mode 100644
index 0000000..53ced50
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diff --git a/images/release/1.5.4/palette-bare.png b/images/release/1.5.4/palette-bare.png
new file mode 100644
index 0000000..e64e2c3
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diff --git a/images/release/1.5.4/palette.png b/images/release/1.5.4/palette.png
new file mode 100644
index 0000000..f663107
Binary files /dev/null and b/images/release/1.5.4/palette.png differ
diff --git a/pyproject.toml b/pyproject.toml
index 555790e..40d9164 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "monobiome"
-version = "1.5.3"
+version = "1.5.4"
 description = "Monobiome color palette"
 requires-python = ">=3.12"
 authors = [
diff --git a/uv.lock b/uv.lock
index 4a1cf6e..73d0505 100644
--- a/uv.lock
+++ b/uv.lock
@@ -882,7 +882,7 @@ wheels = [
 
 [[package]]
 name = "monobiome"
-version = "1.5.3"
+version = "1.5.4"
 source = { editable = "." }
 dependencies = [
     { name = "coloraide" },