diff --git a/modules/completion/external b/modules/completion/external
index 0331b29..67921bc 160000
--- a/modules/completion/external
+++ b/modules/completion/external
@@ -1 +1 @@
-Subproject commit 0331b2908f93556453e45fa5a899aa21e0a7f64d
+Subproject commit 67921bc12502c1e7b0f156533fbac2cb51f6943d
diff --git a/modules/history-substring-search/README.md b/modules/history-substring-search/README.md
index 3a109c5..e7c55c5 100644
--- a/modules/history-substring-search/README.md
+++ b/modules/history-substring-search/README.md
@@ -65,6 +65,42 @@ _`${ZDOTDIR:-$HOME}/.zpreztorc`_:
 zstyle ':prezto:module:history-substring-search' globbing-flags ''
 ```
 
+### Case sensitive search
+
+To set the search case-sensitivity, add the following line to
+_`${ZDOTDIR:-$HOME}/.zpreztorc`_:
+
+```sh
+zstyle ':prezto:module:history-substring-search' case-sensitive 'yes'
+```
+
+### Fuzzy search
+
+To enable search for fuzzy matches, add the following line to
+_`${ZDOTDIR:-$HOME}/.zpreztorc`_:
+
+```sh
+zstyle ':prezto:module:history-substring-search' fuzzy 'yes'
+```
+
+### Unique results
+
+To enable unique results, add the following line to
+_`${ZDOTDIR:-$HOME}/.zpreztorc`_:
+
+```sh
+zstyle ':prezto:module:history-substring-search' unique 'yes'
+```
+
+### Prefixed search
+
+To enable prefixed search matches, add the following line to
+_`${ZDOTDIR:-$HOME}/.zpreztorc`_:
+
+```sh
+zstyle ':prezto:module:history-substring-search' prefixed 'yes'
+```
+
 ## Authors
 
 _The authors of this module should be contacted via the [issue tracker][5]._
diff --git a/modules/history-substring-search/external b/modules/history-substring-search/external
index 0f80b8e..400e58a 160000
--- a/modules/history-substring-search/external
+++ b/modules/history-substring-search/external
@@ -1 +1 @@
-Subproject commit 0f80b8eb3368b46e5e573c1d91ae69eb095db3fb
+Subproject commit 400e58a87f72ecec14f783fbd29bc6be4ff1641c
diff --git a/modules/history-substring-search/init.zsh b/modules/history-substring-search/init.zsh
index 0de7891..54e8b00 100644
--- a/modules/history-substring-search/init.zsh
+++ b/modules/history-substring-search/init.zsh
@@ -38,6 +38,18 @@ if ! zstyle -t ':prezto:module:history-substring-search' color; then
   unset HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_{FOUND,NOT_FOUND}
 fi
 
+if zstyle -t ':prezto:module:history-substring-search' fuzzy; then
+  HISTORY_SUBSTRING_SEARCH_FUZZY=1
+fi
+
+if zstyle -t ':prezto:module:history-substring-search' unique; then
+  HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE=1
+fi
+
+if zstyle -t ':prezto:module:history-substring-search' prefixed; then
+  HISTORY_SUBSTRING_SEARCH_PREFIXED=1
+fi
+
 #
 # Key Bindings
 #
diff --git a/modules/prompt/external/pure b/modules/prompt/external/pure
index 2f13dea..87e6f5d 160000
--- a/modules/prompt/external/pure
+++ b/modules/prompt/external/pure
@@ -1 +1 @@
-Subproject commit 2f13dea466466dde1ba844ba5211e7556f4ae2db
+Subproject commit 87e6f5dd4c793f6d980532205aaefe196780606f
diff --git a/modules/utility/init.zsh b/modules/utility/init.zsh
index c901591..7e2e14e 100644
--- a/modules/utility/init.zsh
+++ b/modules/utility/init.zsh
@@ -76,7 +76,7 @@ if zstyle -T ':prezto:module:utility' safe-ops; then
 fi
 
 # ls
-if [[ ${(@M)${(f)"$(ls --version 2>&1)"}:#*GNU *} ]]; then
+if [[ ${(@M)${(f)"$(ls --version 2>&1)"}:#*(GNU|lsd) *} ]]; then
   # GNU Core Utilities
 
   if zstyle -T ':prezto:module:utility:ls' dirs-first; then
diff --git a/runcoms/zpreztorc b/runcoms/zpreztorc
index ae68a89..b37c431 100644
--- a/runcoms/zpreztorc
+++ b/runcoms/zpreztorc
@@ -109,6 +109,18 @@ zstyle ':prezto:module:editor' key-bindings 'emacs'
 # Set the search globbing flags.
 # zstyle ':prezto:module:history-substring-search' globbing-flags ''
 
+# Enable search case-sensitivity.
+# zstyle ':prezto:module:history-substring-search' case-sensitive 'yes'
+
+# Enable search for fuzzy matches.
+# zstyle ':prezto:module:history-substring-search' fuzzy 'yes'
+
+# Enable search uniqueness.
+# zstyle ':prezto:module:history-substring-search' unique 'yes'
+
+# Enable prefixed search.
+# zstyle ':prezto:module:history-substring-search' prefixed 'yes'
+
 #
 # macOS
 #