diff --git a/languages.toml b/languages.toml
index 4d1e6fe0..85cc95d4 100644
--- a/languages.toml
+++ b/languages.toml
@@ -587,7 +587,7 @@ scope = "source.ts"
 injection-regex = "(ts|typescript)"
 file-types = ["ts", "mts", "cts"]
 language-id = "typescript"
-shebangs = []
+shebangs = ["deno", "ts-node"]
 roots = []
 language-servers = [ "typescript-language-server" ]
 indent = { tab-width = 2, unit = "  " }
@@ -821,6 +821,7 @@ name = "julia"
 scope = "source.julia"
 injection-regex = "julia"
 file-types = ["jl"]
+shebangs = ["julia"]
 roots = ["Manifest.toml", "Project.toml"]
 comment-token = "#"
 language-servers = [ "julia" ]
@@ -834,7 +835,7 @@ source = { git = "https://github.com/tree-sitter/tree-sitter-julia", rev = "8fb3
 name = "java"
 scope = "source.java"
 injection-regex = "java"
-file-types = ["java"]
+file-types = ["java", "jav"]
 roots = ["pom.xml", "build.gradle", "build.gradle.kts"]
 language-servers = [ "jdtls" ]
 indent = { tab-width = 2, unit = "  " }
@@ -874,7 +875,7 @@ name = "ocaml"
 scope = "source.ocaml"
 injection-regex = "ocaml"
 file-types = ["ml"]
-shebangs = []
+shebangs = ["ocaml", "ocamlrun", "ocamlscript"]
 roots = []
 comment-token = "(**)"
 language-servers = [ "ocamllsp" ]
@@ -1824,6 +1825,7 @@ name = "scheme"
 scope = "source.scheme"
 injection-regex = "scheme"
 file-types = ["ss", "scm"]
+shebangs = ["scheme", "guile", "chicken"]
 roots = []
 comment-token = ";"
 indent = { tab-width = 2, unit = "  " }