diff --git a/DESCRIPTION b/DESCRIPTION
index 651ab70..a076bb7 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -36,7 +36,7 @@ Imports:
     rstudioapi (>= 0.11),
     lifecycle (>= 1.0.2),
     reticulate (>= 1.30)
-RoxygenNote: 7.2.3
+RoxygenNote: 7.3.2
 Suggests: 
     knitr,
     covr,
diff --git a/R/install_causact_deps.R b/R/install_causact_deps.R
index b98dc7d..6ecdb12 100644
--- a/R/install_causact_deps.R
+++ b/R/install_causact_deps.R
@@ -35,10 +35,10 @@ install_causact_deps <-
     envname = "r-causact"
     ## lock in package versions that are
     ## guaranteed to work together with python 3.11
-    packages = c("numpyro[cpu]==0.13.2",
-                 "arviz==0.16.1",
-                 "pandas==2.1.3",
-                 "scipy==1.12")
+    packages = c("numpyro[cpu]==0.16.1",
+                 "arviz==0.20.0",
+                 "pandas==2.2.2",
+                 "scipy==1.13.1")
     python_version = "3.11"
     pip = TRUE
     new_env = TRUE
diff --git a/causact.Rproj b/causact.Rproj
index 88ff2b5..e44cf84 100644
--- a/causact.Rproj
+++ b/causact.Rproj
@@ -1,4 +1,5 @@
 Version: 1.0
+ProjectId: f9d97023-61eb-4fc6-acb2-f5a4aab4bcc8
 
 RestoreWorkspace: Default
 SaveWorkspace: Default