diff --git a/C/CIMOptimizer/Compat.toml b/C/CIMOptimizer/Compat.toml
new file mode 100644
index 000000000000000..088cfca12f23ab7
--- /dev/null
+++ b/C/CIMOptimizer/Compat.toml
@@ -0,0 +1,4 @@
+[0]
+PythonCall = "0.9"
+QUBODrivers = "0.2"
+julia = "1.6.0-1"
diff --git a/C/CIMOptimizer/Deps.toml b/C/CIMOptimizer/Deps.toml
new file mode 100644
index 000000000000000..ea82800d65c688f
--- /dev/null
+++ b/C/CIMOptimizer/Deps.toml
@@ -0,0 +1,4 @@
+[0]
+LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
+PythonCall = "6099a3de-0909-46bc-b1f4-468b9a2dfc0d"
+QUBODrivers = "a3f166f7-2cd3-47b6-9e1e-6fbfe0449eb0"
diff --git a/C/CIMOptimizer/Package.toml b/C/CIMOptimizer/Package.toml
new file mode 100644
index 000000000000000..fee12de263b1cfa
--- /dev/null
+++ b/C/CIMOptimizer/Package.toml
@@ -0,0 +1,3 @@
+name = "CIMOptimizer"
+uuid = "f763a312-2f8b-4ea4-ad8b-371148ce3a7b"
+repo = "https://github.com/pedromxavier/CIMOptimizer.jl.git"
diff --git a/C/CIMOptimizer/Versions.toml b/C/CIMOptimizer/Versions.toml
new file mode 100644
index 000000000000000..43416c4697fee1f
--- /dev/null
+++ b/C/CIMOptimizer/Versions.toml
@@ -0,0 +1,2 @@
+["0.1.0"]
+git-tree-sha1 = "496fb975f726a082d33eb9dc1bd287c794d80b86"
diff --git a/Registry.toml b/Registry.toml
index a026f2be673ddd6..568d32e5d3217ed 100644
--- a/Registry.toml
+++ b/Registry.toml
@@ -9268,6 +9268,7 @@ f73916d7-f1f8-4ba1-9c05-cb0c1ef97587 = { name = "FastActivations", path = "F/Fas
 f73efea4-6d21-11e9-25ff-9b1447cfbccb = { name = "ShapeConstrainedStats", path = "S/ShapeConstrainedStats" }
 f74edf77-fc28-5533-a68a-cacf3c4a2f46 = { name = "GRCore_jll", path = "jll/G/GRCore_jll" }
 f761d5c5-86db-4880-b97f-9680a7cccfb5 = { name = "Spglib", path = "S/Spglib" }
+f763a312-2f8b-4ea4-ad8b-371148ce3a7b = { name = "CIMOptimizer", path = "C/CIMOptimizer" }
 f768f48f-0d8a-415b-80aa-7de5ff9b8474 = { name = "InPartS", path = "I/InPartS" }
 f7704626-33a3-4ab5-a647-692f1f31d75f = { name = "BayesianNonparametricStatistics", path = "B/BayesianNonparametricStatistics" }
 f7771a9a-6e57-4e71-863b-6e4b6a2f17df = { name = "MRIBase", path = "M/MRIBase" }