diff --git a/renv.lock b/renv.lock
index 9e9bbff..d6aab6e 100644
--- a/renv.lock
+++ b/renv.lock
@@ -64,12 +64,11 @@
     },
     "Matrix": {
       "Package": "Matrix",
-      "Version": "1.6-1",
+      "Version": "1.5-4.1",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "R",
-        "grDevices",
         "graphics",
         "grid",
         "lattice",
@@ -77,20 +76,7 @@
         "stats",
         "utils"
       ],
-      "Hash": "cb6855ac711958ca734b75e631b2035d"
-    },
-    "MatrixModels": {
-      "Package": "MatrixModels",
-      "Version": "0.5-2",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Requirements": [
-        "Matrix",
-        "R",
-        "methods",
-        "stats"
-      ],
-      "Hash": "26749bd5c7c4123dd23aeb9159be22d6"
+      "Hash": "38082d362d317745fb932e13956dccbb"
     },
     "R6": {
       "Package": "R6",