diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index 9cb749561..6e8b13906 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -247,7 +247,7 @@ parts:
   glibmm:
     source: https://github.com/GNOME/glibmm.git
     source-depth: 1
-    source-tag: 2.77.0
+    source-tag: 2.78.0
     plugin: meson
     build-packages:
       - meson
@@ -304,7 +304,7 @@ parts:
   mozjpeg:
     source: https://github.com/mozilla/mozjpeg.git
     source-depth: 1
-    source-tag: v4.0.3
+    source-tag: v4.1.4
     plugin: cmake
     build-environment:
       - LDFLAGS: ${LDFLAGS:+$LDFLAGS} -s
@@ -325,7 +325,7 @@ parts:
   openal:
     source: https://github.com/kcat/openal-soft.git
     source-depth: 1
-    source-tag: 1.23.0
+    source-tag: 1.23.1
     plugin: cmake
     build-environment:
       - LDFLAGS: ${LDFLAGS:+$LDFLAGS} -s
@@ -355,7 +355,7 @@ parts:
   protobuf:
     source: https://github.com/protocolbuffers/protobuf.git
     source-depth: 1
-    source-tag: v21.9
+    source-tag: v24.3
     plugin: cmake
     build-environment:
       - LDFLAGS: ${LDFLAGS:+$LDFLAGS} -s