diff --git a/lisp/doom-projects.el b/lisp/doom-projects.el
index 70e17c4c4..d26a14b6e 100644
--- a/lisp/doom-projects.el
+++ b/lisp/doom-projects.el
@@ -2,16 +2,6 @@
 ;;; Commentary:
 ;;; Code:
 
-(defvar doom-projectile-cache-limit 10000
-  "If any project cache surpasses this many files it is purged when quitting
-Emacs.")
-
-(defvar doom-projectile-cache-blacklist '("~" "/tmp" "/")
-  "Directories that should never be cached.")
-
-(defvar doom-projectile-cache-purge-non-projects nil
-  "If non-nil, non-projects are purged from the cache on `kill-emacs-hook'.")
-
 (define-obsolete-variable-alias 'doom-projectile-fd-binary 'doom-fd-executable "3.0.0")
 (defvar doom-fd-executable (cl-find-if #'executable-find (list "fdfind" "fd"))
   "The filename of the fd executable.
@@ -51,16 +41,15 @@ Is nil if no executable is found in your PATH during startup.")
              projectile-locate-dominating-file
              projectile-relevant-known-projects)
   :init
-  (setq projectile-cache-file (concat doom-cache-dir "projectile.cache")
-        ;; Auto-discovery is slow to do by default. Better to update the list
+  (setq ;; Auto-discovery is slow to do by default. Better to update the list
         ;; when you need to (`projectile-discover-projects-in-search-path').
         projectile-auto-discover nil
-        projectile-enable-caching (not noninteractive)
+        projectile-enable-caching (if noninteractive t 'persistent)
         projectile-globally-ignored-files '(".DS_Store" "TAGS")
         projectile-globally-ignored-file-suffixes '(".elc" ".pyc" ".o")
         projectile-kill-buffers-filter 'kill-only-files
-        projectile-known-projects-file (concat doom-cache-dir "projectile.projects")
         projectile-ignored-projects '("~/")
+        projectile-known-projects-file (concat doom-cache-dir "projectile-projects.eld")
         projectile-ignored-project-function #'doom-project-ignored-p
         projectile-fd-executable doom-fd-executable)
 
@@ -121,40 +110,6 @@ Is nil if no executable is found in your PATH during startup.")
   (put 'projectile-ripgrep 'disabled "Use +default/search-project instead")
   (put 'projectile-grep 'disabled "Use +default/search-project instead")
 
-  ;; Accidentally indexing big directories like $HOME or / will massively bloat
-  ;; projectile's cache (into the hundreds of MBs). This purges those entries
-  ;; when exiting Emacs to prevent slowdowns/freezing when cache files are
-  ;; loaded or written to.
-  (add-hook! 'kill-emacs-hook
-    (defun doom-cleanup-project-cache-h ()
-      "Purge projectile cache entries that:
-
-a) have too many files (see `doom-projectile-cache-limit'),
-b) represent blacklisted directories that are too big, change too often or are
-   private. (see `doom-projectile-cache-blacklist'),
-c) are not valid projectile projects."
-      (when (and (bound-and-true-p projectile-projects-cache)
-                 projectile-enable-caching)
-        (setq projectile-known-projects
-              (cl-remove-if #'projectile-ignored-project-p
-                            projectile-known-projects))
-        (projectile-cleanup-known-projects)
-        (cl-loop with blacklist = (mapcar #'file-truename doom-projectile-cache-blacklist)
-                 for proot in (hash-table-keys projectile-projects-cache)
-                 if (or (not (stringp proot))
-                        (string-empty-p proot)
-                        (>= (length (gethash proot projectile-projects-cache))
-                            doom-projectile-cache-limit)
-                        (member (substring proot 0 -1) blacklist)
-                        (and doom-projectile-cache-purge-non-projects
-                             (not (doom-project-p proot)))
-                        (projectile-ignored-project-p proot))
-                 do (doom-log "Removed %S from projectile cache" proot)
-                 and do (remhash proot projectile-projects-cache)
-                 and do (remhash proot projectile-projects-cache-time)
-                 and do (remhash proot projectile-project-type-cache))
-        (projectile-serialize-cache))))
-
   ;; HACK: Some MSYS utilities auto expanded the `/' path separator, so we need
   ;;   to prevent it.
   (when doom--system-windows-p
@@ -251,7 +206,6 @@ the command instead."
     (add-hook! 'dired-after-readin-hook
       (defun doom-project-track-known-project-h ()
         (when projectile-mode
-          (setq projectile-project-root-cache (make-hash-table :test 'equal))
           (projectile-track-known-projects-find-file-hook))))))
 
 
diff --git a/lisp/packages.el b/lisp/packages.el
index 43cbc67b6..ca87fd3d9 100644
--- a/lisp/packages.el
+++ b/lisp/packages.el
@@ -34,7 +34,7 @@
 (package! ws-butler :pin "e3a38d93e01014cd47bf5af4924459bd145fd7c4")
 
 ;; doom-projects.el
-(package! projectile :pin "0a15d81be953150399170f4b8e53b86ee96ad639")
+(package! projectile :pin "55db082cdf7b849335ccf24b7ba5aa2607d6fe93")
 (package! project :pin "2a3fe4c7dbb6cf4d449c4d358ec9aaf8658f6940")
 
 ;; doom-keybinds.el