diff --git a/L/L1TrendFiltering/Compat.toml b/L/L1TrendFiltering/Compat.toml
new file mode 100644
index 000000000000000..4183eee57401de7
--- /dev/null
+++ b/L/L1TrendFiltering/Compat.toml
@@ -0,0 +1,2 @@
+[0]
+julia = "1.10.3-1"
diff --git a/L/L1TrendFiltering/Deps.toml b/L/L1TrendFiltering/Deps.toml
new file mode 100644
index 000000000000000..17d6d367f5e4772
--- /dev/null
+++ b/L/L1TrendFiltering/Deps.toml
@@ -0,0 +1,4 @@
+[0]
+LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
+Printf = "de0858da-6303-5e67-8744-51eddeeeb8d7"
+SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
diff --git a/L/L1TrendFiltering/Package.toml b/L/L1TrendFiltering/Package.toml
new file mode 100644
index 000000000000000..6bebb86a680782b
--- /dev/null
+++ b/L/L1TrendFiltering/Package.toml
@@ -0,0 +1,3 @@
+name = "L1TrendFiltering"
+uuid = "b2ecaf23-c471-4976-bbc3-22be69e1f6bb"
+repo = "https://github.com/dsryu0822/L1TrendFiltering.jl.git"
diff --git a/L/L1TrendFiltering/Versions.toml b/L/L1TrendFiltering/Versions.toml
new file mode 100644
index 000000000000000..ead949ba6b3ebee
--- /dev/null
+++ b/L/L1TrendFiltering/Versions.toml
@@ -0,0 +1,2 @@
+["0.1.0"]
+git-tree-sha1 = "628dae0fb69e383f5e27673682f9138cfae1625c"
diff --git a/Registry.toml b/Registry.toml
index 8c19fb0b236e5a3..9a674be6a282146 100644
--- a/Registry.toml
+++ b/Registry.toml
@@ -8133,6 +8133,7 @@ b2cf22bb-779f-4885-b12f-54b1c19a73e0 = { name = "Neovim", path = "N/Neovim" }
 b2d36aa5-a2b1-5d23-8bd9-f353e61de00d = { name = "PowerDynSolve", path = "P/PowerDynSolve" }
 b2d6dd58-be48-4100-8375-7f7d22241ed8 = { name = "AlgebraicCurveOrthogonalPolynomials", path = "A/AlgebraicCurveOrthogonalPolynomials" }
 b2d7f28f-acd6-4007-8b26-bc27716e5513 = { name = "OteraEngine", path = "O/OteraEngine" }
+b2ecaf23-c471-4976-bbc3-22be69e1f6bb = { name = "L1TrendFiltering", path = "L/L1TrendFiltering" }
 b2f2f022-7a59-54f4-945e-e9b78c3fd545 = { name = "MKL_Headers_jll", path = "jll/M/MKL_Headers_jll" }
 b305315f-e792-5b7a-8f41-49f472929428 = { name = "Elliptic", path = "E/Elliptic" }
 b30e2e7b-c4ee-47da-9d5f-2c5c27239acd = { name = "ClassicalOrthogonalPolynomials", path = "C/ClassicalOrthogonalPolynomials" }