diff --git a/Manifest.toml b/Manifest.toml
new file mode 100644
index 00000000..cc612af6
--- /dev/null
+++ b/Manifest.toml
@@ -0,0 +1,91 @@
+# This file is machine-generated - editing it directly is not advised
+
+[[Base64]]
+uuid = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"
+
+[[CodeTracking]]
+deps = ["InteractiveUtils", "Test", "UUIDs"]
+git-tree-sha1 = "7e19dccd5667e0a8d9327ac76966977dbc0df85f"
+uuid = "da1fd8a2-8d9e-5ec2-8556-3022fb5608a2"
+version = "0.5.0"
+
+[[Dates]]
+deps = ["Printf"]
+uuid = "ade2ca70-3891-5945-98fb-dc099432e06a"
+
+[[Distributed]]
+deps = ["Random", "Serialization", "Sockets"]
+uuid = "8ba89e20-285c-5b6f-9357-94700520ee1b"
+
+[[FileWatching]]
+uuid = "7b1f6079-737a-58dc-b8bc-7a2ca5c1b5ee"
+
+[[InteractiveUtils]]
+deps = ["Markdown"]
+uuid = "b77e0a4c-d291-57a0-90e8-8db25a27a240"
+
+[[JuliaInterpreter]]
+deps = ["CodeTracking", "InteractiveUtils", "Random", "UUIDs"]
+git-tree-sha1 = "8aeee3235a4c995493475be2cc27e26ab234c72e"
+repo-rev = "master"
+repo-url = "https://github.com/JuliaDebug/JuliaInterpreter.jl.git"
+uuid = "aa1ae85d-cabe-5617-a682-6adf51b2e16a"
+version = "0.4.0"
+
+[[LibGit2]]
+uuid = "76f85450-5226-5b5a-8eaa-529ad045b433"
+
+[[Logging]]
+uuid = "56ddb016-857b-54e1-b83d-db4d58db5568"
+
+[[LoweredCodeUtils]]
+deps = ["JuliaInterpreter", "Test"]
+git-tree-sha1 = "51e3d512848f96e0017338e1e7e3485ee2730e6e"
+uuid = "6f1432cf-f94c-5a45-995e-cdbf5db27b0b"
+version = "0.3.0"
+
+[[Markdown]]
+deps = ["Base64"]
+uuid = "d6f4376e-aef5-505a-96c1-9c027394607a"
+
+[[OrderedCollections]]
+deps = ["Random", "Serialization", "Test"]
+git-tree-sha1 = "85619a3f3e17bb4761fe1b1fd47f0e979f964d5b"
+uuid = "bac558e1-5e72-5ebc-8fee-abe8a469f55d"
+version = "1.0.2"
+
+[[Pkg]]
+deps = ["Dates", "LibGit2", "Markdown", "Printf", "REPL", "Random", "SHA", "UUIDs"]
+uuid = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
+
+[[Printf]]
+deps = ["Unicode"]
+uuid = "de0858da-6303-5e67-8744-51eddeeeb8d7"
+
+[[REPL]]
+deps = ["InteractiveUtils", "Markdown", "Sockets"]
+uuid = "3fa0cd96-eef1-5676-8a61-b3b8758bbffb"
+
+[[Random]]
+deps = ["Serialization"]
+uuid = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
+
+[[SHA]]
+uuid = "ea8e919c-243c-51af-8825-aaa63cd721ce"
+
+[[Serialization]]
+uuid = "9e88b42a-f829-5b0c-bbe9-9e923198166b"
+
+[[Sockets]]
+uuid = "6462fe0b-24de-5631-8697-dd941f90decc"
+
+[[Test]]
+deps = ["Distributed", "InteractiveUtils", "Logging", "Random"]
+uuid = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+
+[[UUIDs]]
+deps = ["Random", "SHA"]
+uuid = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
+
+[[Unicode]]
+uuid = "4ec0a83e-493e-50e2-b9ac-8f72acf5a8f5"
diff --git a/Project.toml b/Project.toml
index 061ca09e..ab244ac0 100644
--- a/Project.toml
+++ b/Project.toml
@@ -12,18 +12,18 @@ LoweredCodeUtils = "6f1432cf-f94c-5a45-995e-cdbf5db27b0b"
 OrderedCollections = "bac558e1-5e72-5ebc-8fee-abe8a469f55d"
 Pkg = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
 REPL = "3fa0cd96-eef1-5676-8a61-b3b8758bbffb"
-Unicode = "4ec0a83e-493e-50e2-b9ac-8f72acf5a8f5"
 UUIDs = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
+Unicode = "4ec0a83e-493e-50e2-b9ac-8f72acf5a8f5"
 
 [compat]
 CodeTracking = "0.4, 0.5"
-JuliaInterpreter = "0.2, 0.3"
+JuliaInterpreter = "0.2, 0.3, 0.4"
 LoweredCodeUtils = "0.3"
 
 [extras]
-Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
-Example = "7876af07-990d-54b4-ab0e-23690620f79a"
 EponymTuples = "97e2ac4a-e175-5f49-beb1-4d6866a6cdc3"
+Example = "7876af07-990d-54b4-ab0e-23690620f79a"
+Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
 test = ["Test", "Example", "EponymTuples"]
diff --git a/REQUIRE b/REQUIRE
index 614e1668..e72f1e74 100644
--- a/REQUIRE
+++ b/REQUIRE
@@ -1,5 +1,5 @@
 julia 1.0
 OrderedCollections
 CodeTracking 0.4 0.6
-JuliaInterpreter 0.2 0.4
+JuliaInterpreter 0.2 0.5
 LoweredCodeUtils 0.3 0.4
diff --git a/src/Revise.jl b/src/Revise.jl
index 7a79c3f5..b01044be 100644
--- a/src/Revise.jl
+++ b/src/Revise.jl
@@ -277,6 +277,7 @@ function eval_new!(exs_sigs_new::ExprsSigs, exs_sigs_old, mod::Module)
                 # try
                     sigs = eval_with_signatures(mod, ex)  # All signatures defined by `ex`
                     for p in workers()
+                        p == myid() && continue
                         try   # don't error if `mod` isn't defined on the worker
                             remotecall(Core.eval, p, mod, ex)
                         catch
@@ -337,18 +338,18 @@ push_expr!(methodinfo::CodeTrackingMethodInfo, mod::Module, ex::Expr) = (push!(m
 pop_expr!(methodinfo::CodeTrackingMethodInfo) = (pop!(methodinfo.exprstack); methodinfo)
 
 # Eval and insert into CodeTracking data
-function eval_with_signatures(mod, ex::Expr; define=true)
+function eval_with_signatures(mod, ex::Expr; define=true, kwargs...)
     methodinfo = CodeTrackingMethodInfo(ex)
     docexprs = Dict{Module,Vector{Expr}}()
-    methods_by_execution!(finish_and_return!, methodinfo, docexprs, mod, ex; define=define)
+    methods_by_execution!(finish_and_return!, methodinfo, docexprs, mod, ex; define=define, kwargs...)
     return methodinfo.allsigs
 end
 
-function instantiate_sigs!(modexsigs::ModuleExprsSigs)
+function instantiate_sigs!(modexsigs::ModuleExprsSigs; define=false, kwargs...)
     for (mod, exsigs) in modexsigs
         for rex in keys(exsigs)
             is_doc_expr(rex.ex) && continue
-            sigs = eval_with_signatures(mod, rex.ex; define=false)
+            sigs = eval_with_signatures(mod, rex.ex; define=define, kwargs...)
             exsigs[rex.ex] = sigs
         end
     end
@@ -579,12 +580,12 @@ Watch `file` for updates and [`revise`](@ref) loaded code with any
 changes. `mod` is the module into which `file` is evaluated; if omitted,
 it defaults to `Main`.
 """
-function track(mod::Module, file::AbstractString)
+function track(mod::Module, file::AbstractString; define=false, skip_include=true)
     isfile(file) || error(file, " is not a file")
     file = normpath(abspath(file))
     fm = parse_source(file, mod)
     if fm !== nothing
-        instantiate_sigs!(fm)
+        instantiate_sigs!(fm; define=define, skip_include=skip_include)
         id = PkgId(mod)
         if !haskey(pkgdatas, id)
             pkgdatas[id] = PkgData(id, pathof(mod))
@@ -603,18 +604,23 @@ track(file::AbstractString) = track(Main, file)
 """
     includet(filename)
 
-Load `filename` and track any future changes to it.
-`includet` is deliberately non-recursive, so if `filename` loads any other files,
-they will not be automatically tracked.
-(See [`Revise.track`](@ref) to set it up manually.)
+Load `filename` and track any future changes to it. `includet` is simply shorthand for
+
+    Revise.track(Main, filename; skip_include=false)
 
 `includet` is intended for "user scripts," e.g., a file you use locally for a specific
-purpose such as loading a specific data set or performing some kind of analysis.
-Do not use `includet` for packages, as those should be handled by `using` or `import`.
+purpose such as loading a specific data set or performing a particular analysis.
+Do *not* use `includet` for packages, as those should be handled by `using` or `import`.
+(If you're working with code in Base or one of Julia's standard libraries, use
+`Revise.track(mod)` instead, where `mod` is the module.)
 If `using` and `import` aren't working, you may have packages in a non-standard location;
 try fixing it with something like `push!(LOAD_PATH, "/path/to/my/private/repos")`.
+
+`includet` is deliberately non-recursive, so if `filename` loads any other files,
+they will not be automatically tracked.
+(See [`Revise.track`](@ref) to set it up manually.)
 """
-includet(file::AbstractString) = (Base.include(Main, file); track(Main, file))
+includet(file::AbstractString) = track(Main, file; define=true, skip_include=false)
 
 """
     Revise.silence(pkg)
diff --git a/src/lowered.jl b/src/lowered.jl
index 1ebc1409..ffc6684a 100644
--- a/src/lowered.jl
+++ b/src/lowered.jl
@@ -26,14 +26,14 @@ add_signature!(methodinfo::MethodInfo, @nospecialize(sig), ln) = push!(methodinf
 push_expr!(methodinfo::MethodInfo, mod::Module, ex::Expr) = methodinfo
 pop_expr!(methodinfo::MethodInfo) = methodinfo
 
-function methods_by_execution(mod::Module, ex::Expr; define=true)
+function methods_by_execution(mod::Module, ex::Expr; kwargs...)
     methodinfo = MethodInfo()
     docexprs = Dict{Module,Vector{Expr}}()
-    value = methods_by_execution!(finish_and_return!, methodinfo, docexprs, mod, ex; define=define)
+    value = methods_by_execution!(finish_and_return!, methodinfo, docexprs, mod, ex; kwargs...)
     return methodinfo, docexprs
 end
 
-function methods_by_execution!(@nospecialize(recurse), methodinfo, docexprs, mod::Module, ex::Expr; define=true)
+function methods_by_execution!(@nospecialize(recurse), methodinfo, docexprs, mod::Module, ex::Expr; kwargs...)
     # We have to turn off all active breakpoints, https://github.com/timholy/CodeTracking.jl/issues/27
     bps = filter(bp->bp[].isactive, JuliaInterpreter._breakpoints)
     for bp in bps
@@ -43,7 +43,7 @@ function methods_by_execution!(@nospecialize(recurse), methodinfo, docexprs, mod
     try
         frame = prepare_thunk(mod, ex)
         frame === nothing && return nothing
-        ret = methods_by_execution!(recurse, methodinfo, docexprs, frame; define=define)
+        ret = methods_by_execution!(recurse, methodinfo, docexprs, frame; kwargs...)
     catch err
         isa(err, InterruptException) && rethrow(err)
         @warn "error evaluating in module $mod: $ex" exception=(err, catch_backtrace())
@@ -56,7 +56,7 @@ function methods_by_execution!(@nospecialize(recurse), methodinfo, docexprs, mod
     return ret
 end
 
-function methods_by_execution!(@nospecialize(recurse), methodinfo, docexprs, frame; define=true)
+function methods_by_execution!(@nospecialize(recurse), methodinfo, docexprs, frame; define=true, skip_include=true)
     mod = moduleof(frame)
     signatures = []  # temporary for method signature storage
     pc = frame.pc
@@ -141,7 +141,7 @@ function methods_by_execution!(@nospecialize(recurse), methodinfo, docexprs, fra
                     end
                     assign_this!(frame, value)
                     pc = next_or_nothing!(frame)
-                elseif f === getfield(mod, :include) || f === Base.include || f === Core.include
+                elseif skip_include && (f === getfield(mod, :include) || f === Base.include || f === Core.include)
                     # Skip include calls, otherwise we load new code
                     assign_this!(frame, nothing)  # FIXME: the file might return something different from `nothing`
                     pc = next_or_nothing!(frame)
diff --git a/src/pkgs.jl b/src/pkgs.jl
index d389513f..86d2dadf 100644
--- a/src/pkgs.jl
+++ b/src/pkgs.jl
@@ -212,7 +212,7 @@ function maybe_parse_from_cache!(pkgdata::PkgData, file::AbstractString)
         return add_definitions_from_repl(file)
     end
     fi = fileinfo(pkgdata, file)
-    if isempty(fi.modexsigs)
+    if isempty(fi.modexsigs) && !isempty(fi.cachefile)
         # Source was never parsed, get it from the precompile cache
         src = read_from_cache(pkgdata, file)
         filep = joinpath(basedir(pkgdata), file)
diff --git a/test/runtests.jl b/test/runtests.jl
index cbeac623..f8968c6f 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -1395,6 +1395,35 @@ revise_f(x) = 2
         includet(srcfile)
         @test basename(srcfile) ∈ Revise.watched_files[dirname(srcfile)].trackedfiles
         push!(to_remove, srcfile)
+
+        # Double-execution (issue #263)
+        srcfile = joinpath(tempdir(), randtmp()*".jl")
+        open(srcfile, "w") do io
+            print(io, """
+            println("executed")
+            """)
+        end
+        logfile = joinpath(tempdir(), randtmp()*".log")
+        open(logfile, "w") do io
+            redirect_stdout(io) do
+                includet(srcfile)
+            end
+        end
+        lines = readlines(logfile)
+        @test length(lines) == 1 && chomp(lines[1]) == "executed"
+        sleep(0.1)
+        open(srcfile, "w") do io
+            print(io, """
+            println("executed again")
+            """)
+        end
+        open(logfile, "w") do io
+            redirect_stdout(io) do
+                yry()
+            end
+        end
+        lines = readlines(logfile)
+        @test length(lines) == 1 && chomp(lines[1]) == "executed again"
     end
 
     @testset "Auto-track user scripts" begin