diff --git a/renv/activate.R b/renv/activate.R
index c360bf296..0eb51088a 100644
--- a/renv/activate.R
+++ b/renv/activate.R
@@ -2,7 +2,7 @@
 local({
 
   # the requested version of renv
-  version <- "1.0.9"
+  version <- "1.0.11"
   attr(version, "sha") <- NULL
 
   # the project directory
@@ -368,8 +368,7 @@ local({
       quiet    = TRUE
     )
   
-    if ("headers" %in% names(formals(utils::download.file)))
-    {
+    if ("headers" %in% names(formals(utils::download.file))) {
       headers <- renv_bootstrap_download_custom_headers(url)
       if (length(headers) && is.character(headers))
         args$headers <- headers
@@ -457,9 +456,8 @@ local({
   
         # add custom headers if available -- note that
         # utils::available.packages() will pass this to download.file()
-        if ("headers" %in% names(formals(utils::download.file)))
-        {
-          headers <- renv_bootstrap_download_custom_headers(url)
+        if ("headers" %in% names(formals(utils::download.file))) {
+          headers <- renv_bootstrap_download_custom_headers(repos)
           if (length(headers) && is.character(headers))
             args$headers <- headers
         }
diff --git a/renv/profiles/lesson-requirements/renv.lock b/renv/profiles/lesson-requirements/renv.lock
index b0b90e358..420d6bf5b 100644
--- a/renv/profiles/lesson-requirements/renv.lock
+++ b/renv/profiles/lesson-requirements/renv.lock
@@ -94,7 +94,7 @@
     },
     "Matrix": {
       "Package": "Matrix",
-      "Version": "1.7-0",
+      "Version": "1.7-1",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
@@ -107,7 +107,7 @@
         "stats",
         "utils"
       ],
-      "Hash": "1920b2f11133b12350024297d8a4ff4a"
+      "Hash": "5122bb14d8736372411f955e1b16bc8a"
     },
     "MatrixModels": {
       "Package": "MatrixModels",
@@ -163,14 +163,14 @@
     },
     "Rcpp": {
       "Package": "Rcpp",
-      "Version": "1.0.13",
+      "Version": "1.0.13-1",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "methods",
         "utils"
       ],
-      "Hash": "f27411eb6d9c3dada5edd444b8416675"
+      "Hash": "6b868847b365672d6c1677b1608da9ed"
     },
     "RcppEigen": {
       "Package": "RcppEigen",
@@ -225,13 +225,13 @@
     },
     "askpass": {
       "Package": "askpass",
-      "Version": "1.2.0",
+      "Version": "1.2.1",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "sys"
       ],
-      "Hash": "cad6cf7f1d5f6e906700b9d3e718c796"
+      "Hash": "c39f4155b3ceb1a9a2799d700fbd4b6a"
     },
     "backports": {
       "Package": "backports",
@@ -451,10 +451,10 @@
     },
     "commonmark": {
       "Package": "commonmark",
-      "Version": "1.9.1",
+      "Version": "1.9.2",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "5d8225445acb167abf7797de48b2ee3c"
+      "Hash": "14eb0596f987c71535d07c3aff814742"
     },
     "conflicted": {
       "Package": "conflicted",
@@ -520,14 +520,14 @@
     },
     "data.table": {
       "Package": "data.table",
-      "Version": "1.16.0",
+      "Version": "1.16.2",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "R",
         "methods"
       ],
-      "Hash": "fb24e05d4a91d8b1c7ff8e284bde834a"
+      "Hash": "2e00b378fc3be69c865120d9f313039a"
     },
     "dbplyr": {
       "Package": "dbplyr",
@@ -570,7 +570,7 @@
     },
     "doBy": {
       "Package": "doBy",
-      "Version": "4.6.22",
+      "Version": "4.6.24",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
@@ -590,7 +590,7 @@
         "tibble",
         "tidyr"
       ],
-      "Hash": "a9b56885b9596c284168df26d6179c40"
+      "Hash": "8ddf795104defe53c5392a588888ec68"
     },
     "dplyr": {
       "Package": "dplyr",
@@ -636,13 +636,13 @@
     },
     "evaluate": {
       "Package": "evaluate",
-      "Version": "1.0.0",
+      "Version": "1.0.1",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "R"
       ],
-      "Hash": "6b567375113ceb7d9f800de4dd42218e"
+      "Hash": "3fd29944b231036ad67c3edb32e02201"
     },
     "fansi": {
       "Package": "fansi",
@@ -700,14 +700,14 @@
     },
     "fs": {
       "Package": "fs",
-      "Version": "1.6.4",
+      "Version": "1.6.5",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "R",
         "methods"
       ],
-      "Hash": "15aeb8c27f5ea5161f9f6a641fafd93a"
+      "Hash": "7f48af39fa27711ea5fbd183b399920d"
     },
     "gargle": {
       "Package": "gargle",
@@ -858,7 +858,7 @@
     },
     "gtable": {
       "Package": "gtable",
-      "Version": "0.3.5",
+      "Version": "0.3.6",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
@@ -867,9 +867,10 @@
         "glue",
         "grid",
         "lifecycle",
-        "rlang"
+        "rlang",
+        "stats"
       ],
-      "Hash": "e18861963cbc65a27736e02b3cd3c4a0"
+      "Hash": "de949855009e2d4d0e52a844e30617ae"
     },
     "haven": {
       "Package": "haven",
@@ -991,7 +992,7 @@
     },
     "igraph": {
       "Package": "igraph",
-      "Version": "2.0.3",
+      "Version": "2.1.1",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
@@ -1010,7 +1011,7 @@
         "utils",
         "vctrs"
       ],
-      "Hash": "c3b7d801d722e26e4cd888e042bf9af5"
+      "Hash": "c03878b48737a0e2da3b772d7b2e22da"
     },
     "isoband": {
       "Package": "isoband",
@@ -1459,14 +1460,14 @@
     },
     "ps": {
       "Package": "ps",
-      "Version": "1.8.0",
+      "Version": "1.8.1",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "R",
         "utils"
       ],
-      "Hash": "4b9c8485b0c7eecdf0a9ba5132a45576"
+      "Hash": "b4404b1de13758dea1c0484ad0d48563"
     },
     "purrr": {
       "Package": "purrr",
@@ -1485,7 +1486,7 @@
     },
     "quantreg": {
       "Package": "quantreg",
-      "Version": "5.98",
+      "Version": "5.99",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
@@ -1499,13 +1500,14 @@
         "stats",
         "survival"
       ],
-      "Hash": "017561f17632c065388b7062da030952"
+      "Hash": "c6e207b874494a7ac4d52f02dcd7d3af"
     },
     "ragg": {
       "Package": "ragg",
       "Version": "1.3.3",
       "Source": "Repository",
       "Repository": "https://carpentries.r-universe.dev",
+      "RemoteType": "repository",
       "RemoteUrl": "https://github.com/r-lib/ragg",
       "RemoteRef": "v1.3.3",
       "RemoteSha": "6f2279ae8cd0e0d7e9d0e1ede2b742666f9f1d49",
@@ -1513,7 +1515,7 @@
         "systemfonts",
         "textshaping"
       ],
-      "Hash": "0595fe5e47357111f29ad19101c7d271"
+      "Hash": "d7ccdaa1187d3b5d49714774af6a6f29"
     },
     "rappdirs": {
       "Package": "rappdirs",
@@ -1582,13 +1584,13 @@
     },
     "renv": {
       "Package": "renv",
-      "Version": "1.0.9",
+      "Version": "1.0.11",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "utils"
       ],
-      "Hash": "ef233f0e9064fc88c898b340c9add5c2"
+      "Hash": "47623f66b4e80b3b0587bc5d7b309888"
     },
     "reprex": {
       "Package": "reprex",
@@ -1625,7 +1627,7 @@
     },
     "rmarkdown": {
       "Package": "rmarkdown",
-      "Version": "2.28",
+      "Version": "2.29",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
@@ -1644,14 +1646,14 @@
         "xfun",
         "yaml"
       ],
-      "Hash": "062470668513dcda416927085ee9bdc7"
+      "Hash": "df99277f63d01c34e95e3d2f06a79736"
     },
     "rstudioapi": {
       "Package": "rstudioapi",
-      "Version": "0.16.0",
+      "Version": "0.17.1",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "96710351d642b70e8f02ddeb237c46a7"
+      "Hash": "5f90cd73946d706cfe26024294236113"
     },
     "rvest": {
       "Package": "rvest",
@@ -1823,10 +1825,10 @@
     },
     "sys": {
       "Package": "sys",
-      "Version": "3.4.2",
+      "Version": "3.4.3",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "3a1be13d68d47a8cd0bfd74739ca1555"
+      "Hash": "de342ebfebdbf40477d0758d05426646"
     },
     "systemfonts": {
       "Package": "systemfonts",
@@ -1964,13 +1966,13 @@
     },
     "tinytex": {
       "Package": "tinytex",
-      "Version": "0.53",
+      "Version": "0.54",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
         "xfun"
       ],
-      "Hash": "9db859e8aabbb474293dde3097839420"
+      "Hash": "3ec7e3ddcacc2d34a9046941222bf94d"
     },
     "tzdb": {
       "Package": "tzdb",
@@ -2073,7 +2075,7 @@
     },
     "withr": {
       "Package": "withr",
-      "Version": "3.0.1",
+      "Version": "3.0.2",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
@@ -2081,11 +2083,11 @@
         "grDevices",
         "graphics"
       ],
-      "Hash": "07909200e8bbe90426fbfeb73e1e27aa"
+      "Hash": "cc2d62c76458d425210d1eb1478b30b4"
     },
     "xfun": {
       "Package": "xfun",
-      "Version": "0.47",
+      "Version": "0.49",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
@@ -2094,7 +2096,7 @@
         "stats",
         "tools"
       ],
-      "Hash": "36ab21660e2d095fef0d83f689e0477c"
+      "Hash": "8687398773806cfff9401a2feca96298"
     },
     "xml2": {
       "Package": "xml2",
@@ -2111,7 +2113,7 @@
     },
     "xplorerr": {
       "Package": "xplorerr",
-      "Version": "0.1.2",
+      "Version": "0.2.0",
       "Source": "Repository",
       "Repository": "CRAN",
       "Requirements": [
@@ -2120,7 +2122,7 @@
         "shiny",
         "utils"
       ],
-      "Hash": "88a988b19df700056d77966b74cdfdab"
+      "Hash": "cee831b907017346cccf58ef8461df11"
     },
     "xtable": {
       "Package": "xtable",